Home / 87,933.86-131,913.08-28,757.73

Finding the Fourth Proportional to 87,933.86, 131,913.08 and 28,757.73

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Solution

The fourth proportional to 87,933.86, 131,913.08 and 28,757.73 is: 43,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.86 : 131,913.08 = 28,757.73 : x
  2. Step 2: Convert to fraction form
    87,933.86/131,913.08 = 28,757.73/x
  3. Step 3: Cross multiply
    87,933.86x = 131,913.08 × 28,757.73
  4. Step 4: Simplify right side
    87,933.86x = 3,793,520,594.32
  5. Step 5: Solve for x
    x = 3,793,520,594.32/87,933.86
  6. Step 6: Final answer
    x = 43,140.62

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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.