Home / 71,787.52-107,658.28-23,747.20

Finding the Fourth Proportional to 71,787.52, 107,658.28 and 23,747.20

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Solution

The fourth proportional to 71,787.52, 107,658.28 and 23,747.20 is: 35,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,787.52 : 107,658.28 = 23,747.20 : x
  2. Step 2: Convert to fraction form
    71,787.52/107,658.28 = 23,747.20/x
  3. Step 3: Cross multiply
    71,787.52x = 107,658.28 × 23,747.20
  4. Step 4: Simplify right side
    71,787.52x = 2,556,582,706.82
  5. Step 5: Solve for x
    x = 2,556,582,706.82/71,787.52
  6. Step 6: Final answer
    x = 35,613.19

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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.