Home / 80,060.24-120,099-33,287.12

Finding the Fourth Proportional to 80,060.24, 120,099 and 33,287.12

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Solution

The fourth proportional to 80,060.24, 120,099 and 33,287.12 is: 49,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.24 : 120,099 = 33,287.12 : x
  2. Step 2: Convert to fraction form
    80,060.24/120,099 = 33,287.12/x
  3. Step 3: Cross multiply
    80,060.24x = 120,099 × 33,287.12
  4. Step 4: Simplify right side
    80,060.24x = 3,997,749,824.88
  5. Step 5: Solve for x
    x = 3,997,749,824.88/80,060.24
  6. Step 6: Final answer
    x = 49,934.27

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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.