Home / 87,567.25-131,338.57-28,403.43

Finding the Fourth Proportional to 87,567.25, 131,338.57 and 28,403.43

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Solution

The fourth proportional to 87,567.25, 131,338.57 and 28,403.43 is: 42,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,567.25 : 131,338.57 = 28,403.43 : x
  2. Step 2: Convert to fraction form
    87,567.25/131,338.57 = 28,403.43/x
  3. Step 3: Cross multiply
    87,567.25x = 131,338.57 × 28,403.43
  4. Step 4: Simplify right side
    87,567.25x = 3,730,465,879.30
  5. Step 5: Solve for x
    x = 3,730,465,879.30/87,567.25
  6. Step 6: Final answer
    x = 42,601.15

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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.