Home / 87,944.72-121,385.76-50,240.84

Finding the Fourth Proportional to 87,944.72, 121,385.76 and 50,240.84

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Solution

The fourth proportional to 87,944.72, 121,385.76 and 50,240.84 is: 69,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.72 : 121,385.76 = 50,240.84 : x
  2. Step 2: Convert to fraction form
    87,944.72/121,385.76 = 50,240.84/x
  3. Step 3: Cross multiply
    87,944.72x = 121,385.76 × 50,240.84
  4. Step 4: Simplify right side
    87,944.72x = 6,098,522,546.44
  5. Step 5: Solve for x
    x = 6,098,522,546.44/87,944.72
  6. Step 6: Final answer
    x = 69,344.95

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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.