Home / 87,855.90-131,796.72-27,864.36

Finding the Fourth Proportional to 87,855.90, 131,796.72 and 27,864.36

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Solution

The fourth proportional to 87,855.90, 131,796.72 and 27,864.36 is: 41,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855.90 : 131,796.72 = 27,864.36 : x
  2. Step 2: Convert to fraction form
    87,855.90/131,796.72 = 27,864.36/x
  3. Step 3: Cross multiply
    87,855.90x = 131,796.72 × 27,864.36
  4. Step 4: Simplify right side
    87,855.90x = 3,672,431,252.90
  5. Step 5: Solve for x
    x = 3,672,431,252.90/87,855.90
  6. Step 6: Final answer
    x = 41,800.62

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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.