Home / 87,940.62-131,883.23-28,762.47

Finding the Fourth Proportional to 87,940.62, 131,883.23 and 28,762.47

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Solution

The fourth proportional to 87,940.62, 131,883.23 and 28,762.47 is: 43,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940.62 : 131,883.23 = 28,762.47 : x
  2. Step 2: Convert to fraction form
    87,940.62/131,883.23 = 28,762.47/x
  3. Step 3: Cross multiply
    87,940.62x = 131,883.23 × 28,762.47
  4. Step 4: Simplify right side
    87,940.62x = 3,793,287,446.38
  5. Step 5: Solve for x
    x = 3,793,287,446.38/87,940.62
  6. Step 6: Final answer
    x = 43,134.65

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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.