Home / 87,422.20-131,133.21-34,868.59

Finding the Fourth Proportional to 87,422.20, 131,133.21 and 34,868.59

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Solution

The fourth proportional to 87,422.20, 131,133.21 and 34,868.59 is: 52,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,422.20 : 131,133.21 = 34,868.59 : x
  2. Step 2: Convert to fraction form
    87,422.20/131,133.21 = 34,868.59/x
  3. Step 3: Cross multiply
    87,422.20x = 131,133.21 × 34,868.59
  4. Step 4: Simplify right side
    87,422.20x = 4,572,429,676.28
  5. Step 5: Solve for x
    x = 4,572,429,676.28/87,422.20
  6. Step 6: Final answer
    x = 52,302.85

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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.