Home / 55,767.20-83,650.80-52,049.30

Finding the Fourth Proportional to 55,767.20, 83,650.80 and 52,049.30

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Solution

The fourth proportional to 55,767.20, 83,650.80 and 52,049.30 is: 78,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767.20 : 83,650.80 = 52,049.30 : x
  2. Step 2: Convert to fraction form
    55,767.20/83,650.80 = 52,049.30/x
  3. Step 3: Cross multiply
    55,767.20x = 83,650.80 × 52,049.30
  4. Step 4: Simplify right side
    55,767.20x = 4,353,965,584.44
  5. Step 5: Solve for x
    x = 4,353,965,584.44/55,767.20
  6. Step 6: Final answer
    x = 78,073.95

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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.