Home / 49,649.06-68,531.38-31,744.14

Finding the Fourth Proportional to 49,649.06, 68,531.38 and 31,744.14

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Solution

The fourth proportional to 49,649.06, 68,531.38 and 31,744.14 is: 43,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.06 : 68,531.38 = 31,744.14 : x
  2. Step 2: Convert to fraction form
    49,649.06/68,531.38 = 31,744.14/x
  3. Step 3: Cross multiply
    49,649.06x = 68,531.38 × 31,744.14
  4. Step 4: Simplify right side
    49,649.06x = 2,175,469,721.11
  5. Step 5: Solve for x
    x = 2,175,469,721.11/49,649.06
  6. Step 6: Final answer
    x = 43,816.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.