Home / 87,306.24-120,475.44-49,586.16

Finding the Fourth Proportional to 87,306.24, 120,475.44 and 49,586.16

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Solution

The fourth proportional to 87,306.24, 120,475.44 and 49,586.16 is: 68,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,306.24 : 120,475.44 = 49,586.16 : x
  2. Step 2: Convert to fraction form
    87,306.24/120,475.44 = 49,586.16/x
  3. Step 3: Cross multiply
    87,306.24x = 120,475.44 × 49,586.16
  4. Step 4: Simplify right side
    87,306.24x = 5,973,914,443.91
  5. Step 5: Solve for x
    x = 5,973,914,443.91/87,306.24
  6. Step 6: Final answer
    x = 68,424.83

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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.