Home / 87,941.62-131,884.73-28,763.47

Finding the Fourth Proportional to 87,941.62, 131,884.73 and 28,763.47

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Solution

The fourth proportional to 87,941.62, 131,884.73 and 28,763.47 is: 43,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.62 : 131,884.73 = 28,763.47 : x
  2. Step 2: Convert to fraction form
    87,941.62/131,884.73 = 28,763.47/x
  3. Step 3: Cross multiply
    87,941.62x = 131,884.73 × 28,763.47
  4. Step 4: Simplify right side
    87,941.62x = 3,793,462,474.81
  5. Step 5: Solve for x
    x = 3,793,462,474.81/87,941.62
  6. Step 6: Final answer
    x = 43,136.15

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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.