Home / 87,410.64-120,625.46-49,167.30

Finding the Fourth Proportional to 87,410.64, 120,625.46 and 49,167.30

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Solution

The fourth proportional to 87,410.64, 120,625.46 and 49,167.30 is: 67,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.64 : 120,625.46 = 49,167.30 : x
  2. Step 2: Convert to fraction form
    87,410.64/120,625.46 = 49,167.30/x
  3. Step 3: Cross multiply
    87,410.64x = 120,625.46 × 49,167.30
  4. Step 4: Simplify right side
    87,410.64x = 5,930,828,179.46
  5. Step 5: Solve for x
    x = 5,930,828,179.46/87,410.64
  6. Step 6: Final answer
    x = 67,850.19

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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.