Home / 87,567.66-131,369.94-28,398.72

Finding the Fourth Proportional to 87,567.66, 131,369.94 and 28,398.72

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Solution

The fourth proportional to 87,567.66, 131,369.94 and 28,398.72 is: 42,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,567.66 : 131,369.94 = 28,398.72 : x
  2. Step 2: Convert to fraction form
    87,567.66/131,369.94 = 28,398.72/x
  3. Step 3: Cross multiply
    87,567.66x = 131,369.94 × 28,398.72
  4. Step 4: Simplify right side
    87,567.66x = 3,730,737,649.84
  5. Step 5: Solve for x
    x = 3,730,737,649.84/87,567.66
  6. Step 6: Final answer
    x = 42,604.06

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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.