Finding the Fourth Proportional to 88,370.70, 121,952.79 and 48,085.62
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Solution
The fourth proportional to 88,370.70, 121,952.79 and 48,085.62 is: 66,358.82
Step by Step Solution
- Step 1: Write the proportion equation
88,370.70 : 121,952.79 = 48,085.62 : x - Step 2: Convert to fraction form
88,370.70/121,952.79 = 48,085.62/x - Step 3: Cross multiply
88,370.70x = 121,952.79 × 48,085.62 - Step 4: Simplify right side
88,370.70x = 5,864,175,517.88 - Step 5: Solve for x
x = 5,864,175,517.88/88,370.70 - Step 6: Final answer
x = 66,358.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.