Home / 67,122.20-100,695.44-27,657.36

Finding the Fourth Proportional to 67,122.20, 100,695.44 and 27,657.36

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Solution

The fourth proportional to 67,122.20, 100,695.44 and 27,657.36 is: 41,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.20 : 100,695.44 = 27,657.36 : x
  2. Step 2: Convert to fraction form
    67,122.20/100,695.44 = 27,657.36/x
  3. Step 3: Cross multiply
    67,122.20x = 100,695.44 × 27,657.36
  4. Step 4: Simplify right side
    67,122.20x = 2,784,970,034.44
  5. Step 5: Solve for x
    x = 2,784,970,034.44/67,122.20
  6. Step 6: Final answer
    x = 41,491.04

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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.