Home / 83,976.80-125,963.23-34,043.54

Finding the Fourth Proportional to 83,976.80, 125,963.23 and 34,043.54

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Solution

The fourth proportional to 83,976.80, 125,963.23 and 34,043.54 is: 51,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,976.80 : 125,963.23 = 34,043.54 : x
  2. Step 2: Convert to fraction form
    83,976.80/125,963.23 = 34,043.54/x
  3. Step 3: Cross multiply
    83,976.80x = 125,963.23 × 34,043.54
  4. Step 4: Simplify right side
    83,976.80x = 4,288,234,259.03
  5. Step 5: Solve for x
    x = 4,288,234,259.03/83,976.80
  6. Step 6: Final answer
    x = 51,064.51

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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.