Finding the Fourth Proportional to 88,565.92, 122,217.36 and 48,278.80
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Solution
The fourth proportional to 88,565.92, 122,217.36 and 48,278.80 is: 66,622.78
Step by Step Solution
- Step 1: Write the proportion equation
88,565.92 : 122,217.36 = 48,278.80 : x - Step 2: Convert to fraction form
88,565.92/122,217.36 = 48,278.80/x - Step 3: Cross multiply
88,565.92x = 122,217.36 × 48,278.80 - Step 4: Simplify right side
88,565.92x = 5,900,507,479.97 - Step 5: Solve for x
x = 5,900,507,479.97/88,565.92 - Step 6: Final answer
x = 66,622.78
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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.