Home / 83,351.08-125,174.22-79,906.84

Finding the Fourth Proportional to 83,351.08, 125,174.22 and 79,906.84

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Solution

The fourth proportional to 83,351.08, 125,174.22 and 79,906.84 is: 120,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,351.08 : 125,174.22 = 79,906.84 : x
  2. Step 2: Convert to fraction form
    83,351.08/125,174.22 = 79,906.84/x
  3. Step 3: Cross multiply
    83,351.08x = 125,174.22 × 79,906.84
  4. Step 4: Simplify right side
    83,351.08x = 10,002,276,369.66
  5. Step 5: Solve for x
    x = 10,002,276,369.66/83,351.08
  6. Step 6: Final answer
    x = 120,001.76

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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.