Finding the Fourth Proportional to 88,854.48, 133,318.77 and 38,970.42
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Solution
The fourth proportional to 88,854.48, 133,318.77 and 38,970.42 is: 58,471.88
Step by Step Solution
- Step 1: Write the proportion equation
88,854.48 : 133,318.77 = 38,970.42 : x - Step 2: Convert to fraction form
88,854.48/133,318.77 = 38,970.42/x - Step 3: Cross multiply
88,854.48x = 133,318.77 × 38,970.42 - Step 4: Simplify right side
88,854.48x = 5,195,488,460.78 - Step 5: Solve for x
x = 5,195,488,460.78/88,854.48 - Step 6: Final answer
x = 58,471.88
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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.