Home / 87,792.38-121,152.60-47,505.26

Finding the Fourth Proportional to 87,792.38, 121,152.60 and 47,505.26

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Solution

The fourth proportional to 87,792.38, 121,152.60 and 47,505.26 is: 65,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,792.38 : 121,152.60 = 47,505.26 : x
  2. Step 2: Convert to fraction form
    87,792.38/121,152.60 = 47,505.26/x
  3. Step 3: Cross multiply
    87,792.38x = 121,152.60 × 47,505.26
  4. Step 4: Simplify right side
    87,792.38x = 5,755,385,762.68
  5. Step 5: Solve for x
    x = 5,755,385,762.68/87,792.38
  6. Step 6: Final answer
    x = 65,556.78

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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.