Home / 87,640.05-131,518.31-32,236.05

Finding the Fourth Proportional to 87,640.05, 131,518.31 and 32,236.05

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Solution

The fourth proportional to 87,640.05, 131,518.31 and 32,236.05 is: 48,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,640.05 : 131,518.31 = 32,236.05 : x
  2. Step 2: Convert to fraction form
    87,640.05/131,518.31 = 32,236.05/x
  3. Step 3: Cross multiply
    87,640.05x = 131,518.31 × 32,236.05
  4. Step 4: Simplify right side
    87,640.05x = 4,239,630,655.90
  5. Step 5: Solve for x
    x = 4,239,630,655.90/87,640.05
  6. Step 6: Final answer
    x = 48,375.49

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1.5x scale

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.