Home / 49,418.27-68,202.09-28,200.72

Finding the Fourth Proportional to 49,418.27, 68,202.09 and 28,200.72

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Solution

The fourth proportional to 49,418.27, 68,202.09 and 28,200.72 is: 38,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.27 : 68,202.09 = 28,200.72 : x
  2. Step 2: Convert to fraction form
    49,418.27/68,202.09 = 28,200.72/x
  3. Step 3: Cross multiply
    49,418.27x = 68,202.09 × 28,200.72
  4. Step 4: Simplify right side
    49,418.27x = 1,923,348,043.50
  5. Step 5: Solve for x
    x = 1,923,348,043.50/49,418.27
  6. Step 6: Final answer
    x = 38,919.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.