Finding the Fourth Proportional to 86,177.23, 129,265.85 and 27,013.21
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Solution
The fourth proportional to 86,177.23, 129,265.85 and 27,013.21 is: 40,519.82
Step by Step Solution
- Step 1: Write the proportion equation
86,177.23 : 129,265.85 = 27,013.21 : x - Step 2: Convert to fraction form
86,177.23/129,265.85 = 27,013.21/x - Step 3: Cross multiply
86,177.23x = 129,265.85 × 27,013.21 - Step 4: Simplify right side
86,177.23x = 3,491,885,551.88 - Step 5: Solve for x
x = 3,491,885,551.88/86,177.23 - Step 6: Final answer
x = 40,519.82
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Similar ratio
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1.5x scale
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.