Home / 83,780.64-125,760.49-33,893.35

Finding the Fourth Proportional to 83,780.64, 125,760.49 and 33,893.35

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Solution

The fourth proportional to 83,780.64, 125,760.49 and 33,893.35 is: 50,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,780.64 : 125,760.49 = 33,893.35 : x
  2. Step 2: Convert to fraction form
    83,780.64/125,760.49 = 33,893.35/x
  3. Step 3: Cross multiply
    83,780.64x = 125,760.49 × 33,893.35
  4. Step 4: Simplify right side
    83,780.64x = 4,262,443,505.47
  5. Step 5: Solve for x
    x = 4,262,443,505.47/83,780.64
  6. Step 6: Final answer
    x = 50,876.23

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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.