Home / 87,617.80-131,232.30-35,000.20

Finding the Fourth Proportional to 87,617.80, 131,232.30 and 35,000.20

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Solution

The fourth proportional to 87,617.80, 131,232.30 and 35,000.20 is: 52,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617.80 : 131,232.30 = 35,000.20 : x
  2. Step 2: Convert to fraction form
    87,617.80/131,232.30 = 35,000.20/x
  3. Step 3: Cross multiply
    87,617.80x = 131,232.30 × 35,000.20
  4. Step 4: Simplify right side
    87,617.80x = 4,593,156,746.46
  5. Step 5: Solve for x
    x = 4,593,156,746.46/87,617.80
  6. Step 6: Final answer
    x = 52,422.64

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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.