Home / 54,189.72-81,299.19-22,589.28

Finding the Fourth Proportional to 54,189.72, 81,299.19 and 22,589.28

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Solution

The fourth proportional to 54,189.72, 81,299.19 and 22,589.28 is: 33,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.72 : 81,299.19 = 22,589.28 : x
  2. Step 2: Convert to fraction form
    54,189.72/81,299.19 = 22,589.28/x
  3. Step 3: Cross multiply
    54,189.72x = 81,299.19 × 22,589.28
  4. Step 4: Simplify right side
    54,189.72x = 1,836,490,166.68
  5. Step 5: Solve for x
    x = 1,836,490,166.68/54,189.72
  6. Step 6: Final answer
    x = 33,890.01

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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.