Home / 87,345.76-120,523.65-49,098.22

Finding the Fourth Proportional to 87,345.76, 120,523.65 and 49,098.22

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Solution

The fourth proportional to 87,345.76, 120,523.65 and 49,098.22 is: 67,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,345.76 : 120,523.65 = 49,098.22 : x
  2. Step 2: Convert to fraction form
    87,345.76/120,523.65 = 49,098.22/x
  3. Step 3: Cross multiply
    87,345.76x = 120,523.65 × 49,098.22
  4. Step 4: Simplify right side
    87,345.76x = 5,917,496,682.90
  5. Step 5: Solve for x
    x = 5,917,496,682.90/87,345.76
  6. Step 6: Final answer
    x = 67,747.96

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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.