Home / 52,753.38-79,136.19-21,174.41

Finding the Fourth Proportional to 52,753.38, 79,136.19 and 21,174.41

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Solution

The fourth proportional to 52,753.38, 79,136.19 and 21,174.41 is: 31,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.38 : 79,136.19 = 21,174.41 : x
  2. Step 2: Convert to fraction form
    52,753.38/79,136.19 = 21,174.41/x
  3. Step 3: Cross multiply
    52,753.38x = 79,136.19 × 21,174.41
  4. Step 4: Simplify right side
    52,753.38x = 1,675,662,330.74
  5. Step 5: Solve for x
    x = 1,675,662,330.74/52,753.38
  6. Step 6: Final answer
    x = 31,764.08

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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.