Home / 71,414.36-107,136.54-27,040.13

Finding the Fourth Proportional to 71,414.36, 107,136.54 and 27,040.13

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Solution

The fourth proportional to 71,414.36, 107,136.54 and 27,040.13 is: 40,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,414.36 : 107,136.54 = 27,040.13 : x
  2. Step 2: Convert to fraction form
    71,414.36/107,136.54 = 27,040.13/x
  3. Step 3: Cross multiply
    71,414.36x = 107,136.54 × 27,040.13
  4. Step 4: Simplify right side
    71,414.36x = 2,896,985,433.67
  5. Step 5: Solve for x
    x = 2,896,985,433.67/71,414.36
  6. Step 6: Final answer
    x = 40,565.87

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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.