Home / 87,553.40-131,337.99-30,636.72

Finding the Fourth Proportional to 87,553.40, 131,337.99 and 30,636.72

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Solution

The fourth proportional to 87,553.40, 131,337.99 and 30,636.72 is: 45,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553.40 : 131,337.99 = 30,636.72 : x
  2. Step 2: Convert to fraction form
    87,553.40/131,337.99 = 30,636.72/x
  3. Step 3: Cross multiply
    87,553.40x = 131,337.99 × 30,636.72
  4. Step 4: Simplify right side
    87,553.40x = 4,023,765,224.99
  5. Step 5: Solve for x
    x = 4,023,765,224.99/87,553.40
  6. Step 6: Final answer
    x = 45,957.84

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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.