A purchaser, lien holder, or mortgagee of real estate or personal property included in an assessment with other real estate or personal property of the person to whom the real estate or personal property was assessed or subject to the lien of taxes upon other real estate or personal property shall not be required to pay the entire amount of taxes due by the person or corporation to whom such real estate or personal property purchased or on which a lien or mortgage is held is assessed, but may discharge the tax lien against such real estate or personal property purchased or on which a lien or mortgage is held by paying to the tax collector of the county in which such taxes are due and payable the actual amount of taxes due on such real estate or personal property purchased or in which a lien or mortgage is held based on the taxable value of such purchased or encumbered property as assessed for taxation by the person or corporation to whom assessed; provided, that such person or corporation to whom such purchased or encumbered property is assessed or for whose taxes such purchased or encumbered property is subject to a tax lien has sufficient other real estate or personal property returned or assessed and subject to levy or sale out of which the remainder of the taxes may be collected by the tax collector and, provided further, that the taxable value of the real estate or personal property sought to be discharged from such tax lien can be ascertained from the assessment.