Home / 87,532.45-131,331.08-28,370.05

Finding the Fourth Proportional to 87,532.45, 131,331.08 and 28,370.05

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Solution

The fourth proportional to 87,532.45, 131,331.08 and 28,370.05 is: 42,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.45 : 131,331.08 = 28,370.05 : x
  2. Step 2: Convert to fraction form
    87,532.45/131,331.08 = 28,370.05/x
  3. Step 3: Cross multiply
    87,532.45x = 131,331.08 × 28,370.05
  4. Step 4: Simplify right side
    87,532.45x = 3,725,869,164.30
  5. Step 5: Solve for x
    x = 3,725,869,164.30/87,532.45
  6. Step 6: Final answer
    x = 42,565.58

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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.