Home / 83,640.56-125,485.40-33,694.97

Finding the Fourth Proportional to 83,640.56, 125,485.40 and 33,694.97

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Solution

The fourth proportional to 83,640.56, 125,485.40 and 33,694.97 is: 50,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,640.56 : 125,485.40 = 33,694.97 : x
  2. Step 2: Convert to fraction form
    83,640.56/125,485.40 = 33,694.97/x
  3. Step 3: Cross multiply
    83,640.56x = 125,485.40 × 33,694.97
  4. Step 4: Simplify right side
    83,640.56x = 4,228,226,245.25
  5. Step 5: Solve for x
    x = 4,228,226,245.25/83,640.56
  6. Step 6: Final answer
    x = 50,552.35

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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.