Home / 83,977.12-125,963.56-34,043.88

Finding the Fourth Proportional to 83,977.12, 125,963.56 and 34,043.88

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Solution

The fourth proportional to 83,977.12, 125,963.56 and 34,043.88 is: 51,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,977.12 : 125,963.56 = 34,043.88 : x
  2. Step 2: Convert to fraction form
    83,977.12/125,963.56 = 34,043.88/x
  3. Step 3: Cross multiply
    83,977.12x = 125,963.56 × 34,043.88
  4. Step 4: Simplify right side
    83,977.12x = 4,288,288,321.01
  5. Step 5: Solve for x
    x = 4,288,288,321.01/83,977.12
  6. Step 6: Final answer
    x = 51,064.96

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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.