Finding the Fourth Proportional to 88,244.97, 121,732.43 and 54,652.65
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Solution
The fourth proportional to 88,244.97, 121,732.43 and 54,652.65 is: 75,392.40
Step by Step Solution
- Step 1: Write the proportion equation
88,244.97 : 121,732.43 = 54,652.65 : x - Step 2: Convert to fraction form
88,244.97/121,732.43 = 54,652.65/x - Step 3: Cross multiply
88,244.97x = 121,732.43 × 54,652.65 - Step 4: Simplify right side
88,244.97x = 6,652,999,890.44 - Step 5: Solve for x
x = 6,652,999,890.44/88,244.97 - Step 6: Final answer
x = 75,392.40
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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.