Home / 87,927.73-131,891.59-21,367.90

Finding the Fourth Proportional to 87,927.73, 131,891.59 and 21,367.90

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Solution

The fourth proportional to 87,927.73, 131,891.59 and 21,367.90 is: 32,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,927.73 : 131,891.59 = 21,367.90 : x
  2. Step 2: Convert to fraction form
    87,927.73/131,891.59 = 21,367.90/x
  3. Step 3: Cross multiply
    87,927.73x = 131,891.59 × 21,367.90
  4. Step 4: Simplify right side
    87,927.73x = 2,818,246,497.54
  5. Step 5: Solve for x
    x = 2,818,246,497.54/87,927.73
  6. Step 6: Final answer
    x = 32,051.85

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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.