Home / 87,567.75-131,339.31-28,403.94

Finding the Fourth Proportional to 87,567.75, 131,339.31 and 28,403.94

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Solution

The fourth proportional to 87,567.75, 131,339.31 and 28,403.94 is: 42,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,567.75 : 131,339.31 = 28,403.94 : x
  2. Step 2: Convert to fraction form
    87,567.75/131,339.31 = 28,403.94/x
  3. Step 3: Cross multiply
    87,567.75x = 131,339.31 × 28,403.94
  4. Step 4: Simplify right side
    87,567.75x = 3,730,553,880.88
  5. Step 5: Solve for x
    x = 3,730,553,880.88/87,567.75
  6. Step 6: Final answer
    x = 42,601.92

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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.