Home / 49,768.91-68,678.74-27,107.80

Finding the Fourth Proportional to 49,768.91, 68,678.74 and 27,107.80

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Solution

The fourth proportional to 49,768.91, 68,678.74 and 27,107.80 is: 37,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.91 : 68,678.74 = 27,107.80 : x
  2. Step 2: Convert to fraction form
    49,768.91/68,678.74 = 27,107.80/x
  3. Step 3: Cross multiply
    49,768.91x = 68,678.74 × 27,107.80
  4. Step 4: Simplify right side
    49,768.91x = 1,861,729,257.88
  5. Step 5: Solve for x
    x = 1,861,729,257.88/49,768.91
  6. Step 6: Final answer
    x = 37,407.47

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1.5x scale

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.