Home / 65,642.26-98,470.42-18,257.49

Finding the Fourth Proportional to 65,642.26, 98,470.42 and 18,257.49

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Solution

The fourth proportional to 65,642.26, 98,470.42 and 18,257.49 is: 27,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,642.26 : 98,470.42 = 18,257.49 : x
  2. Step 2: Convert to fraction form
    65,642.26/98,470.42 = 18,257.49/x
  3. Step 3: Cross multiply
    65,642.26x = 98,470.42 × 18,257.49
  4. Step 4: Simplify right side
    65,642.26x = 1,797,822,797.38
  5. Step 5: Solve for x
    x = 1,797,822,797.38/65,642.26
  6. Step 6: Final answer
    x = 27,388.19

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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.