Home / 87,457.40-131,186.10-32,046.20

Finding the Fourth Proportional to 87,457.40, 131,186.10 and 32,046.20

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Solution

The fourth proportional to 87,457.40, 131,186.10 and 32,046.20 is: 48,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,457.40 : 131,186.10 = 32,046.20 : x
  2. Step 2: Convert to fraction form
    87,457.40/131,186.10 = 32,046.20/x
  3. Step 3: Cross multiply
    87,457.40x = 131,186.10 × 32,046.20
  4. Step 4: Simplify right side
    87,457.40x = 4,204,015,997.82
  5. Step 5: Solve for x
    x = 4,204,015,997.82/87,457.40
  6. Step 6: Final answer
    x = 48,069.30

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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.