Home / 87,694.29-131,500.54-45,563.05

Finding the Fourth Proportional to 87,694.29, 131,500.54 and 45,563.05

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Solution

The fourth proportional to 87,694.29, 131,500.54 and 45,563.05 is: 68,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,694.29 : 131,500.54 = 45,563.05 : x
  2. Step 2: Convert to fraction form
    87,694.29/131,500.54 = 45,563.05/x
  3. Step 3: Cross multiply
    87,694.29x = 131,500.54 × 45,563.05
  4. Step 4: Simplify right side
    87,694.29x = 5,991,564,793.73
  5. Step 5: Solve for x
    x = 5,991,564,793.73/87,694.29
  6. Step 6: Final answer
    x = 68,323.32

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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.