Finding the Fourth Proportional to 88,115.52, 121,548.48 and 56,248.48
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Solution
The fourth proportional to 88,115.52, 121,548.48 and 56,248.48 is: 77,590.39
Step by Step Solution
- Step 1: Write the proportion equation
88,115.52 : 121,548.48 = 56,248.48 : x - Step 2: Convert to fraction form
88,115.52/121,548.48 = 56,248.48/x - Step 3: Cross multiply
88,115.52x = 121,548.48 × 56,248.48 - Step 4: Simplify right side
88,115.52x = 6,836,917,246.31 - Step 5: Solve for x
x = 6,836,917,246.31/88,115.52 - Step 6: Final answer
x = 77,590.39
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1.5x scale
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.