Finding the Fourth Proportional to 71,553.88, 107,327.38 and 27,177.17
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Solution
The fourth proportional to 71,553.88, 107,327.38 and 27,177.17 is: 40,764.45
Step by Step Solution
- Step 1: Write the proportion equation
71,553.88 : 107,327.38 = 27,177.17 : x - Step 2: Convert to fraction form
71,553.88/107,327.38 = 27,177.17/x - Step 3: Cross multiply
71,553.88x = 107,327.38 × 27,177.17 - Step 4: Simplify right side
71,553.88x = 2,916,854,502.01 - Step 5: Solve for x
x = 2,916,854,502.01/71,553.88 - Step 6: Final answer
x = 40,764.45
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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.