Home / 87,322.42-131,170.20-62,521.84

Finding the Fourth Proportional to 87,322.42, 131,170.20 and 62,521.84

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Solution

The fourth proportional to 87,322.42, 131,170.20 and 62,521.84 is: 93,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,322.42 : 131,170.20 = 62,521.84 : x
  2. Step 2: Convert to fraction form
    87,322.42/131,170.20 = 62,521.84/x
  3. Step 3: Cross multiply
    87,322.42x = 131,170.20 × 62,521.84
  4. Step 4: Simplify right side
    87,322.42x = 8,201,002,257.17
  5. Step 5: Solve for x
    x = 8,201,002,257.17/87,322.42
  6. Step 6: Final answer
    x = 93,916.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.