Home / 87,793.38-121,153.98-47,506.26

Finding the Fourth Proportional to 87,793.38, 121,153.98 and 47,506.26

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Solution

The fourth proportional to 87,793.38, 121,153.98 and 47,506.26 is: 65,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,793.38 : 121,153.98 = 47,506.26 : x
  2. Step 2: Convert to fraction form
    87,793.38/121,153.98 = 47,506.26/x
  3. Step 3: Cross multiply
    87,793.38x = 121,153.98 × 47,506.26
  4. Step 4: Simplify right side
    87,793.38x = 5,755,572,473.91
  5. Step 5: Solve for x
    x = 5,755,572,473.91/87,793.38
  6. Step 6: Final answer
    x = 65,558.16

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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.