Home / 87,956.48-131,945.66-28,776.24

Finding the Fourth Proportional to 87,956.48, 131,945.66 and 28,776.24

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Solution

The fourth proportional to 87,956.48, 131,945.66 and 28,776.24 is: 43,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,956.48 : 131,945.66 = 28,776.24 : x
  2. Step 2: Convert to fraction form
    87,956.48/131,945.66 = 28,776.24/x
  3. Step 3: Cross multiply
    87,956.48x = 131,945.66 × 28,776.24
  4. Step 4: Simplify right side
    87,956.48x = 3,796,899,979.12
  5. Step 5: Solve for x
    x = 3,796,899,979.12/87,956.48
  6. Step 6: Final answer
    x = 43,167.94

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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.