Home / 54,243.74-81,373.31-16,806.75

Finding the Fourth Proportional to 54,243.74, 81,373.31 and 16,806.75

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Solution

The fourth proportional to 54,243.74, 81,373.31 and 16,806.75 is: 25,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.74 : 81,373.31 = 16,806.75 : x
  2. Step 2: Convert to fraction form
    54,243.74/81,373.31 = 16,806.75/x
  3. Step 3: Cross multiply
    54,243.74x = 81,373.31 × 16,806.75
  4. Step 4: Simplify right side
    54,243.74x = 1,367,620,793.81
  5. Step 5: Solve for x
    x = 1,367,620,793.81/54,243.74
  6. Step 6: Final answer
    x = 25,212.51

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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.