Home / 49,768.62-68,678.64-27,107.70

Finding the Fourth Proportional to 49,768.62, 68,678.64 and 27,107.70

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Solution

The fourth proportional to 49,768.62, 68,678.64 and 27,107.70 is: 37,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.62 : 68,678.64 = 27,107.70 : x
  2. Step 2: Convert to fraction form
    49,768.62/68,678.64 = 27,107.70/x
  3. Step 3: Cross multiply
    49,768.62x = 68,678.64 × 27,107.70
  4. Step 4: Simplify right side
    49,768.62x = 1,861,719,969.53
  5. Step 5: Solve for x
    x = 1,861,719,969.53/49,768.62
  6. Step 6: Final answer
    x = 37,407.51

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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.