Home / 87,331.22-120,529.85-49,093.92

Finding the Fourth Proportional to 87,331.22, 120,529.85 and 49,093.92

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Solution

The fourth proportional to 87,331.22, 120,529.85 and 49,093.92 is: 67,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,331.22 : 120,529.85 = 49,093.92 : x
  2. Step 2: Convert to fraction form
    87,331.22/120,529.85 = 49,093.92/x
  3. Step 3: Cross multiply
    87,331.22x = 120,529.85 × 49,093.92
  4. Step 4: Simplify right side
    87,331.22x = 5,917,282,568.04
  5. Step 5: Solve for x
    x = 5,917,282,568.04/87,331.22
  6. Step 6: Final answer
    x = 67,756.78

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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.