Home / 87,660.73-131,521.62-27,698.36

Finding the Fourth Proportional to 87,660.73, 131,521.62 and 27,698.36

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Solution

The fourth proportional to 87,660.73, 131,521.62 and 27,698.36 is: 41,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,660.73 : 131,521.62 = 27,698.36 : x
  2. Step 2: Convert to fraction form
    87,660.73/131,521.62 = 27,698.36/x
  3. Step 3: Cross multiply
    87,660.73x = 131,521.62 × 27,698.36
  4. Step 4: Simplify right side
    87,660.73x = 3,642,932,624.80
  5. Step 5: Solve for x
    x = 3,642,932,624.80/87,660.73
  6. Step 6: Final answer
    x = 41,557.18

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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.