Home / 68,727.72-103,104.54-27,177.96

Finding the Fourth Proportional to 68,727.72, 103,104.54 and 27,177.96

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Solution

The fourth proportional to 68,727.72, 103,104.54 and 27,177.96 is: 40,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,727.72 : 103,104.54 = 27,177.96 : x
  2. Step 2: Convert to fraction form
    68,727.72/103,104.54 = 27,177.96/x
  3. Step 3: Cross multiply
    68,727.72x = 103,104.54 × 27,177.96
  4. Step 4: Simplify right side
    68,727.72x = 2,802,171,063.94
  5. Step 5: Solve for x
    x = 2,802,171,063.94/68,727.72
  6. Step 6: Final answer
    x = 40,772.06

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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.