Home / 87,549.77-120,819.17-49,824.02

Finding the Fourth Proportional to 87,549.77, 120,819.17 and 49,824.02

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Solution

The fourth proportional to 87,549.77, 120,819.17 and 49,824.02 is: 68,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,549.77 : 120,819.17 = 49,824.02 : x
  2. Step 2: Convert to fraction form
    87,549.77/120,819.17 = 49,824.02/x
  3. Step 3: Cross multiply
    87,549.77x = 120,819.17 × 49,824.02
  4. Step 4: Simplify right side
    87,549.77x = 6,019,697,169.07
  5. Step 5: Solve for x
    x = 6,019,697,169.07/87,549.77
  6. Step 6: Final answer
    x = 68,757.43

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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.