Home / 83,415.22-125,049.49-43,349.85

Finding the Fourth Proportional to 83,415.22, 125,049.49 and 43,349.85

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Solution

The fourth proportional to 83,415.22, 125,049.49 and 43,349.85 is: 64,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,415.22 : 125,049.49 = 43,349.85 : x
  2. Step 2: Convert to fraction form
    83,415.22/125,049.49 = 43,349.85/x
  3. Step 3: Cross multiply
    83,415.22x = 125,049.49 × 43,349.85
  4. Step 4: Simplify right side
    83,415.22x = 5,420,876,525.70
  5. Step 5: Solve for x
    x = 5,420,876,525.70/83,415.22
  6. Step 6: Final answer
    x = 64,986.66

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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.