Home / 71,687.03-107,532.36-40,079.41

Finding the Fourth Proportional to 71,687.03, 107,532.36 and 40,079.41

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Solution

The fourth proportional to 71,687.03, 107,532.36 and 40,079.41 is: 60,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,687.03 : 107,532.36 = 40,079.41 : x
  2. Step 2: Convert to fraction form
    71,687.03/107,532.36 = 40,079.41/x
  3. Step 3: Cross multiply
    71,687.03x = 107,532.36 × 40,079.41
  4. Step 4: Simplify right side
    71,687.03x = 4,309,833,275.88
  5. Step 5: Solve for x
    x = 4,309,833,275.88/71,687.03
  6. Step 6: Final answer
    x = 60,120.13

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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.