Home / 87,920.24-131,896.76-28,759.10

Finding the Fourth Proportional to 87,920.24, 131,896.76 and 28,759.10

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Solution

The fourth proportional to 87,920.24, 131,896.76 and 28,759.10 is: 43,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,920.24 : 131,896.76 = 28,759.10 : x
  2. Step 2: Convert to fraction form
    87,920.24/131,896.76 = 28,759.10/x
  3. Step 3: Cross multiply
    87,920.24x = 131,896.76 × 28,759.10
  4. Step 4: Simplify right side
    87,920.24x = 3,793,231,307.24
  5. Step 5: Solve for x
    x = 3,793,231,307.24/87,920.24
  6. Step 6: Final answer
    x = 43,144.01

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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.