Home / 87,285.22-120,452.50-49,557.04

Finding the Fourth Proportional to 87,285.22, 120,452.50 and 49,557.04

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Solution

The fourth proportional to 87,285.22, 120,452.50 and 49,557.04 is: 68,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,285.22 : 120,452.50 = 49,557.04 : x
  2. Step 2: Convert to fraction form
    87,285.22/120,452.50 = 49,557.04/x
  3. Step 3: Cross multiply
    87,285.22x = 120,452.50 × 49,557.04
  4. Step 4: Simplify right side
    87,285.22x = 5,969,269,360.60
  5. Step 5: Solve for x
    x = 5,969,269,360.60/87,285.22
  6. Step 6: Final answer
    x = 68,388.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.