Finding the Fourth Proportional to 81,894.24, 113,001.08 and 46,077.26
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Solution
The fourth proportional to 81,894.24, 113,001.08 and 46,077.26 is: 63,579.31
Step by Step Solution
- Step 1: Write the proportion equation
81,894.24 : 113,001.08 = 46,077.26 : x - Step 2: Convert to fraction form
81,894.24/113,001.08 = 46,077.26/x - Step 3: Cross multiply
81,894.24x = 113,001.08 × 46,077.26 - Step 4: Simplify right side
81,894.24x = 5,206,779,348.05 - Step 5: Solve for x
x = 5,206,779,348.05/81,894.24 - Step 6: Final answer
x = 63,579.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.