Home / 87,037.38-120,110.54-48,796.74

Finding the Fourth Proportional to 87,037.38, 120,110.54 and 48,796.74

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Solution

The fourth proportional to 87,037.38, 120,110.54 and 48,796.74 is: 67,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,037.38 : 120,110.54 = 48,796.74 : x
  2. Step 2: Convert to fraction form
    87,037.38/120,110.54 = 48,796.74/x
  3. Step 3: Cross multiply
    87,037.38x = 120,110.54 × 48,796.74
  4. Step 4: Simplify right side
    87,037.38x = 5,861,002,791.64
  5. Step 5: Solve for x
    x = 5,861,002,791.64/87,037.38
  6. Step 6: Final answer
    x = 67,338.92

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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.