Home / 49,857.35-68,663.18-48,768.71

Finding the Fourth Proportional to 49,857.35, 68,663.18 and 48,768.71

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Solution

The fourth proportional to 49,857.35, 68,663.18 and 48,768.71 is: 67,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.35 : 68,663.18 = 48,768.71 : x
  2. Step 2: Convert to fraction form
    49,857.35/68,663.18 = 48,768.71/x
  3. Step 3: Cross multiply
    49,857.35x = 68,663.18 × 48,768.71
  4. Step 4: Simplify right side
    49,857.35x = 3,348,614,469.25
  5. Step 5: Solve for x
    x = 3,348,614,469.25/49,857.35
  6. Step 6: Final answer
    x = 67,163.91

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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.