Home / 90,591.68-135,863.20-27,395.52

Finding the Fourth Proportional to 90,591.68, 135,863.20 and 27,395.52

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Solution

The fourth proportional to 90,591.68, 135,863.20 and 27,395.52 is: 41,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,591.68 : 135,863.20 = 27,395.52 : x
  2. Step 2: Convert to fraction form
    90,591.68/135,863.20 = 27,395.52/x
  3. Step 3: Cross multiply
    90,591.68x = 135,863.20 × 27,395.52
  4. Step 4: Simplify right side
    90,591.68x = 3,722,043,012.86
  5. Step 5: Solve for x
    x = 3,722,043,012.86/90,591.68
  6. Step 6: Final answer
    x = 41,085.93

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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.