Home / 87,679.68-131,554.08-32,280

Finding the Fourth Proportional to 87,679.68, 131,554.08 and 32,280

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Solution

The fourth proportional to 87,679.68, 131,554.08 and 32,280 is: 48,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,679.68 : 131,554.08 = 32,280 : x
  2. Step 2: Convert to fraction form
    87,679.68/131,554.08 = 32,280/x
  3. Step 3: Cross multiply
    87,679.68x = 131,554.08 × 32,280
  4. Step 4: Simplify right side
    87,679.68x = 4,246,565,702.40
  5. Step 5: Solve for x
    x = 4,246,565,702.40/87,679.68
  6. Step 6: Final answer
    x = 48,432.72

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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.