Home / 87,375.72-120,574.92-49,134.18

Finding the Fourth Proportional to 87,375.72, 120,574.92 and 49,134.18

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Solution

The fourth proportional to 87,375.72, 120,574.92 and 49,134.18 is: 67,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,375.72 : 120,574.92 = 49,134.18 : x
  2. Step 2: Convert to fraction form
    87,375.72/120,574.92 = 49,134.18/x
  3. Step 3: Cross multiply
    87,375.72x = 120,574.92 × 49,134.18
  4. Step 4: Simplify right side
    87,375.72x = 5,924,349,822.77
  5. Step 5: Solve for x
    x = 5,924,349,822.77/87,375.72
  6. Step 6: Final answer
    x = 67,803.16

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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.