Finding the Fourth Proportional to 88,856.42, 133,270.20 and 29,691.99
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Solution
The fourth proportional to 88,856.42, 133,270.20 and 29,691.99 is: 44,533.17
Step by Step Solution
- Step 1: Write the proportion equation
88,856.42 : 133,270.20 = 29,691.99 : x - Step 2: Convert to fraction form
88,856.42/133,270.20 = 29,691.99/x - Step 3: Cross multiply
88,856.42x = 133,270.20 × 29,691.99 - Step 4: Simplify right side
88,856.42x = 3,957,057,445.70 - Step 5: Solve for x
x = 3,957,057,445.70/88,856.42 - Step 6: Final answer
x = 44,533.17
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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.