Finding the Fourth Proportional to 71,755.26, 107,632.98 and 34,306.53
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Solution
The fourth proportional to 71,755.26, 107,632.98 and 34,306.53 is: 51,459.84
Step by Step Solution
- Step 1: Write the proportion equation
71,755.26 : 107,632.98 = 34,306.53 : x - Step 2: Convert to fraction form
71,755.26/107,632.98 = 34,306.53/x - Step 3: Cross multiply
71,755.26x = 107,632.98 × 34,306.53 - Step 4: Simplify right side
71,755.26x = 3,692,514,057.36 - Step 5: Solve for x
x = 3,692,514,057.36/71,755.26 - Step 6: Final answer
x = 51,459.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.