Home / 40,103.73-60,121.76-25,279.96

Finding the Fourth Proportional to 40,103.73, 60,121.76 and 25,279.96

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Solution

The fourth proportional to 40,103.73, 60,121.76 and 25,279.96 is: 37,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.73 : 60,121.76 = 25,279.96 : x
  2. Step 2: Convert to fraction form
    40,103.73/60,121.76 = 25,279.96/x
  3. Step 3: Cross multiply
    40,103.73x = 60,121.76 × 25,279.96
  4. Step 4: Simplify right side
    40,103.73x = 1,519,875,687.93
  5. Step 5: Solve for x
    x = 1,519,875,687.93/40,103.73
  6. Step 6: Final answer
    x = 37,898.61

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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.