Finding the Fourth Proportional to 77,217.76, 115,752.66 and 24,593.14
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Solution
The fourth proportional to 77,217.76, 115,752.66 and 24,593.14 is: 36,866.15
Step by Step Solution
- Step 1: Write the proportion equation
77,217.76 : 115,752.66 = 24,593.14 : x - Step 2: Convert to fraction form
77,217.76/115,752.66 = 24,593.14/x - Step 3: Cross multiply
77,217.76x = 115,752.66 × 24,593.14 - Step 4: Simplify right side
77,217.76x = 2,846,721,372.75 - Step 5: Solve for x
x = 2,846,721,372.75/77,217.76 - Step 6: Final answer
x = 36,866.15
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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.