Home / 87,452.79-131,179.17-48,259.01

Finding the Fourth Proportional to 87,452.79, 131,179.17 and 48,259.01

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Solution

The fourth proportional to 87,452.79, 131,179.17 and 48,259.01 is: 72,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.79 : 131,179.17 = 48,259.01 : x
  2. Step 2: Convert to fraction form
    87,452.79/131,179.17 = 48,259.01/x
  3. Step 3: Cross multiply
    87,452.79x = 131,179.17 × 48,259.01
  4. Step 4: Simplify right side
    87,452.79x = 6,330,576,876.82
  5. Step 5: Solve for x
    x = 6,330,576,876.82/87,452.79
  6. Step 6: Final answer
    x = 72,388.51

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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.