Home / 87,493.25-131,234.41-45,360.70

Finding the Fourth Proportional to 87,493.25, 131,234.41 and 45,360.70

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Solution

The fourth proportional to 87,493.25, 131,234.41 and 45,360.70 is: 68,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,493.25 : 131,234.41 = 45,360.70 : x
  2. Step 2: Convert to fraction form
    87,493.25/131,234.41 = 45,360.70/x
  3. Step 3: Cross multiply
    87,493.25x = 131,234.41 × 45,360.70
  4. Step 4: Simplify right side
    87,493.25x = 5,952,884,430.30
  5. Step 5: Solve for x
    x = 5,952,884,430.30/87,493.25
  6. Step 6: Final answer
    x = 68,038.21

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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.