Home / 104,747.20-157,121.12-25,861.44

Finding the Fourth Proportional to 104,747.20, 157,121.12 and 25,861.44

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Solution

The fourth proportional to 104,747.20, 157,121.12 and 25,861.44 is: 38,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.20 : 157,121.12 = 25,861.44 : x
  2. Step 2: Convert to fraction form
    104,747.20/157,121.12 = 25,861.44/x
  3. Step 3: Cross multiply
    104,747.20x = 157,121.12 × 25,861.44
  4. Step 4: Simplify right side
    104,747.20x = 4,063,378,417.61
  5. Step 5: Solve for x
    x = 4,063,378,417.61/104,747.20
  6. Step 6: Final answer
    x = 38,792.24

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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.