Home / 99,982.41-137,833.38-68,110.53

Finding the Fourth Proportional to 99,982.41, 137,833.38 and 68,110.53

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Solution

The fourth proportional to 99,982.41, 137,833.38 and 68,110.53 is: 93,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,982.41 : 137,833.38 = 68,110.53 : x
  2. Step 2: Convert to fraction form
    99,982.41/137,833.38 = 68,110.53/x
  3. Step 3: Cross multiply
    99,982.41x = 137,833.38 × 68,110.53
  4. Step 4: Simplify right side
    99,982.41x = 9,387,904,563.49
  5. Step 5: Solve for x
    x = 9,387,904,563.49/99,982.41
  6. Step 6: Final answer
    x = 93,895.56

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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.