Home / 87,647.40-131,471.10-32,236.20

Finding the Fourth Proportional to 87,647.40, 131,471.10 and 32,236.20

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Solution

The fourth proportional to 87,647.40, 131,471.10 and 32,236.20 is: 48,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,647.40 : 131,471.10 = 32,236.20 : x
  2. Step 2: Convert to fraction form
    87,647.40/131,471.10 = 32,236.20/x
  3. Step 3: Cross multiply
    87,647.40x = 131,471.10 × 32,236.20
  4. Step 4: Simplify right side
    87,647.40x = 4,238,128,673.82
  5. Step 5: Solve for x
    x = 4,238,128,673.82/87,647.40
  6. Step 6: Final answer
    x = 48,354.30

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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.