Home / 83,824.10-125,626.80-33,863.30

Finding the Fourth Proportional to 83,824.10, 125,626.80 and 33,863.30

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Solution

The fourth proportional to 83,824.10, 125,626.80 and 33,863.30 is: 50,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,824.10 : 125,626.80 = 33,863.30 : x
  2. Step 2: Convert to fraction form
    83,824.10/125,626.80 = 33,863.30/x
  3. Step 3: Cross multiply
    83,824.10x = 125,626.80 × 33,863.30
  4. Step 4: Simplify right side
    83,824.10x = 4,254,138,016.44
  5. Step 5: Solve for x
    x = 4,254,138,016.44/83,824.10
  6. Step 6: Final answer
    x = 50,750.77

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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.