Home / 54,687.15-82,038.87-17,243.28

Finding the Fourth Proportional to 54,687.15, 82,038.87 and 17,243.28

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Solution

The fourth proportional to 54,687.15, 82,038.87 and 17,243.28 is: 25,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.15 : 82,038.87 = 17,243.28 : x
  2. Step 2: Convert to fraction form
    54,687.15/82,038.87 = 17,243.28/x
  3. Step 3: Cross multiply
    54,687.15x = 82,038.87 × 17,243.28
  4. Step 4: Simplify right side
    54,687.15x = 1,414,619,206.29
  5. Step 5: Solve for x
    x = 1,414,619,206.29/54,687.15
  6. Step 6: Final answer
    x = 25,867.49

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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.