Home / 54,623.25-81,939.33-15,180.36

Finding the Fourth Proportional to 54,623.25, 81,939.33 and 15,180.36

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Solution

The fourth proportional to 54,623.25, 81,939.33 and 15,180.36 is: 22,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.25 : 81,939.33 = 15,180.36 : x
  2. Step 2: Convert to fraction form
    54,623.25/81,939.33 = 15,180.36/x
  3. Step 3: Cross multiply
    54,623.25x = 81,939.33 × 15,180.36
  4. Step 4: Simplify right side
    54,623.25x = 1,243,868,527.56
  5. Step 5: Solve for x
    x = 1,243,868,527.56/54,623.25
  6. Step 6: Final answer
    x = 22,771.78

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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.