Home / 69,982.20-96,576.42-38,151.09

Finding the Fourth Proportional to 69,982.20, 96,576.42 and 38,151.09

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Solution

The fourth proportional to 69,982.20, 96,576.42 and 38,151.09 is: 52,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982.20 : 96,576.42 = 38,151.09 : x
  2. Step 2: Convert to fraction form
    69,982.20/96,576.42 = 38,151.09/x
  3. Step 3: Cross multiply
    69,982.20x = 96,576.42 × 38,151.09
  4. Step 4: Simplify right side
    69,982.20x = 3,684,495,691.30
  5. Step 5: Solve for x
    x = 3,684,495,691.30/69,982.20
  6. Step 6: Final answer
    x = 52,649.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.