Home / 54,091.20-81,081.72-36,562.80

Finding the Fourth Proportional to 54,091.20, 81,081.72 and 36,562.80

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Solution

The fourth proportional to 54,091.20, 81,081.72 and 36,562.80 is: 54,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.20 : 81,081.72 = 36,562.80 : x
  2. Step 2: Convert to fraction form
    54,091.20/81,081.72 = 36,562.80/x
  3. Step 3: Cross multiply
    54,091.20x = 81,081.72 × 36,562.80
  4. Step 4: Simplify right side
    54,091.20x = 2,964,574,712.02
  5. Step 5: Solve for x
    x = 2,964,574,712.02/54,091.20
  6. Step 6: Final answer
    x = 54,806.97

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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.