Home / 84,397.10-126,579.45-25,234.70

Finding the Fourth Proportional to 84,397.10, 126,579.45 and 25,234.70

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Solution

The fourth proportional to 84,397.10, 126,579.45 and 25,234.70 is: 37,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,397.10 : 126,579.45 = 25,234.70 : x
  2. Step 2: Convert to fraction form
    84,397.10/126,579.45 = 25,234.70/x
  3. Step 3: Cross multiply
    84,397.10x = 126,579.45 × 25,234.70
  4. Step 4: Simplify right side
    84,397.10x = 3,194,194,446.92
  5. Step 5: Solve for x
    x = 3,194,194,446.92/84,397.10
  6. Step 6: Final answer
    x = 37,847.21

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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.