Home / 84,799.20-127,198.80-22,469.70

Finding the Fourth Proportional to 84,799.20, 127,198.80 and 22,469.70

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Solution

The fourth proportional to 84,799.20, 127,198.80 and 22,469.70 is: 33,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,799.20 : 127,198.80 = 22,469.70 : x
  2. Step 2: Convert to fraction form
    84,799.20/127,198.80 = 22,469.70/x
  3. Step 3: Cross multiply
    84,799.20x = 127,198.80 × 22,469.70
  4. Step 4: Simplify right side
    84,799.20x = 2,858,118,876.36
  5. Step 5: Solve for x
    x = 2,858,118,876.36/84,799.20
  6. Step 6: Final answer
    x = 33,704.55

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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.