Home / 54,224.20-81,336.30-49,385.80

Finding the Fourth Proportional to 54,224.20, 81,336.30 and 49,385.80

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Solution

The fourth proportional to 54,224.20, 81,336.30 and 49,385.80 is: 74,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,224.20 : 81,336.30 = 49,385.80 : x
  2. Step 2: Convert to fraction form
    54,224.20/81,336.30 = 49,385.80/x
  3. Step 3: Cross multiply
    54,224.20x = 81,336.30 × 49,385.80
  4. Step 4: Simplify right side
    54,224.20x = 4,016,858,244.54
  5. Step 5: Solve for x
    x = 4,016,858,244.54/54,224.20
  6. Step 6: Final answer
    x = 74,078.70

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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.