Finding the Fourth Proportional to 88,046.64, 121,370.04 and 53,992.08
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Solution
The fourth proportional to 88,046.64, 121,370.04 and 53,992.08 is: 74,426.70
Step by Step Solution
- Step 1: Write the proportion equation
88,046.64 : 121,370.04 = 53,992.08 : x - Step 2: Convert to fraction form
88,046.64/121,370.04 = 53,992.08/x - Step 3: Cross multiply
88,046.64x = 121,370.04 × 53,992.08 - Step 4: Simplify right side
88,046.64x = 6,553,020,909.28 - Step 5: Solve for x
x = 6,553,020,909.28/88,046.64 - Step 6: Final answer
x = 74,426.70
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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.