Home / 87,337.13-120,522.61-49,097.03

Finding the Fourth Proportional to 87,337.13, 120,522.61 and 49,097.03

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Solution

The fourth proportional to 87,337.13, 120,522.61 and 49,097.03 is: 67,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.13 : 120,522.61 = 49,097.03 : x
  2. Step 2: Convert to fraction form
    87,337.13/120,522.61 = 49,097.03/x
  3. Step 3: Cross multiply
    87,337.13x = 120,522.61 × 49,097.03
  4. Step 4: Simplify right side
    87,337.13x = 5,917,302,198.85
  5. Step 5: Solve for x
    x = 5,917,302,198.85/87,337.13
  6. Step 6: Final answer
    x = 67,752.42

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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.