Home / 54,867.78-82,272.24-17,417.70

Finding the Fourth Proportional to 54,867.78, 82,272.24 and 17,417.70

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Solution

The fourth proportional to 54,867.78, 82,272.24 and 17,417.70 is: 26,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.78 : 82,272.24 = 17,417.70 : x
  2. Step 2: Convert to fraction form
    54,867.78/82,272.24 = 17,417.70/x
  3. Step 3: Cross multiply
    54,867.78x = 82,272.24 × 17,417.70
  4. Step 4: Simplify right side
    54,867.78x = 1,432,993,194.65
  5. Step 5: Solve for x
    x = 1,432,993,194.65/54,867.78
  6. Step 6: Final answer
    x = 26,117.21

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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.