Home / 89,919.43-134,898.24-26,739.70

Finding the Fourth Proportional to 89,919.43, 134,898.24 and 26,739.70

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Solution

The fourth proportional to 89,919.43, 134,898.24 and 26,739.70 is: 40,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.43 : 134,898.24 = 26,739.70 : x
  2. Step 2: Convert to fraction form
    89,919.43/134,898.24 = 26,739.70/x
  3. Step 3: Cross multiply
    89,919.43x = 134,898.24 × 26,739.70
  4. Step 4: Simplify right side
    89,919.43x = 3,607,138,468.13
  5. Step 5: Solve for x
    x = 3,607,138,468.13/89,919.43
  6. Step 6: Final answer
    x = 40,115.23

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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.