Home / 71,151.35-106,716.26-26,767.76

Finding the Fourth Proportional to 71,151.35, 106,716.26 and 26,767.76

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Solution

The fourth proportional to 71,151.35, 106,716.26 and 26,767.76 is: 40,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,151.35 : 106,716.26 = 26,767.76 : x
  2. Step 2: Convert to fraction form
    71,151.35/106,716.26 = 26,767.76/x
  3. Step 3: Cross multiply
    71,151.35x = 106,716.26 × 26,767.76
  4. Step 4: Simplify right side
    71,151.35x = 2,856,554,568.36
  5. Step 5: Solve for x
    x = 2,856,554,568.36/71,151.35
  6. Step 6: Final answer
    x = 40,147.58

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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.