Home / 87,755.28-121,104.36-50,033.04

Finding the Fourth Proportional to 87,755.28, 121,104.36 and 50,033.04

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Solution

The fourth proportional to 87,755.28, 121,104.36 and 50,033.04 is: 69,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.28 : 121,104.36 = 50,033.04 : x
  2. Step 2: Convert to fraction form
    87,755.28/121,104.36 = 50,033.04/x
  3. Step 3: Cross multiply
    87,755.28x = 121,104.36 × 50,033.04
  4. Step 4: Simplify right side
    87,755.28x = 6,059,219,288.05
  5. Step 5: Solve for x
    x = 6,059,219,288.05/87,755.28
  6. Step 6: Final answer
    x = 69,046.78

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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.