Home / 89,660.40-134,508.32-26,481.62

Finding the Fourth Proportional to 89,660.40, 134,508.32 and 26,481.62

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Solution

The fourth proportional to 89,660.40, 134,508.32 and 26,481.62 is: 39,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,660.40 : 134,508.32 = 26,481.62 : x
  2. Step 2: Convert to fraction form
    89,660.40/134,508.32 = 26,481.62/x
  3. Step 3: Cross multiply
    89,660.40x = 134,508.32 × 26,481.62
  4. Step 4: Simplify right side
    89,660.40x = 3,561,998,217.08
  5. Step 5: Solve for x
    x = 3,561,998,217.08/89,660.40
  6. Step 6: Final answer
    x = 39,727.66

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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.