Home / 87,709.12-131,579.91-27,752.69

Finding the Fourth Proportional to 87,709.12, 131,579.91 and 27,752.69

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Solution

The fourth proportional to 87,709.12, 131,579.91 and 27,752.69 is: 41,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,709.12 : 131,579.91 = 27,752.69 : x
  2. Step 2: Convert to fraction form
    87,709.12/131,579.91 = 27,752.69/x
  3. Step 3: Cross multiply
    87,709.12x = 131,579.91 × 27,752.69
  4. Step 4: Simplify right side
    87,709.12x = 3,651,695,655.79
  5. Step 5: Solve for x
    x = 3,651,695,655.79/87,709.12
  6. Step 6: Final answer
    x = 41,634.16

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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.