Finding the Fourth Proportional to 88,246.92, 121,781.92 and 47,961.48
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Solution
The fourth proportional to 88,246.92, 121,781.92 and 47,961.48 is: 66,187.48
Step by Step Solution
- Step 1: Write the proportion equation
88,246.92 : 121,781.92 = 47,961.48 : x - Step 2: Convert to fraction form
88,246.92/121,781.92 = 47,961.48/x - Step 3: Cross multiply
88,246.92x = 121,781.92 × 47,961.48 - Step 4: Simplify right side
88,246.92x = 5,840,841,120.44 - Step 5: Solve for x
x = 5,840,841,120.44/88,246.92 - Step 6: Final answer
x = 66,187.48
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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.