Home / 54,619.31-81,933.42-15,176.43

Finding the Fourth Proportional to 54,619.31, 81,933.42 and 15,176.43

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Solution

The fourth proportional to 54,619.31, 81,933.42 and 15,176.43 is: 22,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.31 : 81,933.42 = 15,176.43 : x
  2. Step 2: Convert to fraction form
    54,619.31/81,933.42 = 15,176.43/x
  3. Step 3: Cross multiply
    54,619.31x = 81,933.42 × 15,176.43
  4. Step 4: Simplify right side
    54,619.31x = 1,243,456,813.29
  5. Step 5: Solve for x
    x = 1,243,456,813.29/54,619.31
  6. Step 6: Final answer
    x = 22,765.88

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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.