Home / 67,151.61-100,738.89-27,687.15

Finding the Fourth Proportional to 67,151.61, 100,738.89 and 27,687.15

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Solution

The fourth proportional to 67,151.61, 100,738.89 and 27,687.15 is: 41,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151.61 : 100,738.89 = 27,687.15 : x
  2. Step 2: Convert to fraction form
    67,151.61/100,738.89 = 27,687.15/x
  3. Step 3: Cross multiply
    67,151.61x = 100,738.89 × 27,687.15
  4. Step 4: Simplify right side
    67,151.61x = 2,789,172,758.26
  5. Step 5: Solve for x
    x = 2,789,172,758.26/67,151.61
  6. Step 6: Final answer
    x = 41,535.46

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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.