Home / 68,981.44-95,192.12-38,766

Finding the Fourth Proportional to 68,981.44, 95,192.12 and 38,766

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Solution

The fourth proportional to 68,981.44, 95,192.12 and 38,766 is: 53,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,981.44 : 95,192.12 = 38,766 : x
  2. Step 2: Convert to fraction form
    68,981.44/95,192.12 = 38,766/x
  3. Step 3: Cross multiply
    68,981.44x = 95,192.12 × 38,766
  4. Step 4: Simplify right side
    68,981.44x = 3,690,217,723.92
  5. Step 5: Solve for x
    x = 3,690,217,723.92/68,981.44
  6. Step 6: Final answer
    x = 53,495.81

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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.