Home / 83,974.38-125,964.00-21,644.88

Finding the Fourth Proportional to 83,974.38, 125,964.00 and 21,644.88

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Solution

The fourth proportional to 83,974.38, 125,964.00 and 21,644.88 is: 32,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.38 : 125,964.00 = 21,644.88 : x
  2. Step 2: Convert to fraction form
    83,974.38/125,964.00 = 21,644.88/x
  3. Step 3: Cross multiply
    83,974.38x = 125,964.00 × 21,644.88
  4. Step 4: Simplify right side
    83,974.38x = 2,726,474,926.28
  5. Step 5: Solve for x
    x = 2,726,474,926.28/83,974.38
  6. Step 6: Final answer
    x = 32,467.94

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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.