Home / 76,778.20-115,160.82-24,180.04

Finding the Fourth Proportional to 76,778.20, 115,160.82 and 24,180.04

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Solution

The fourth proportional to 76,778.20, 115,160.82 and 24,180.04 is: 36,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,778.20 : 115,160.82 = 24,180.04 : x
  2. Step 2: Convert to fraction form
    76,778.20/115,160.82 = 24,180.04/x
  3. Step 3: Cross multiply
    76,778.20x = 115,160.82 × 24,180.04
  4. Step 4: Simplify right side
    76,778.20x = 2,784,593,234.03
  5. Step 5: Solve for x
    x = 2,784,593,234.03/76,778.20
  6. Step 6: Final answer
    x = 36,268.02

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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.