Home / 68,996.33-95,217.64-38,781.56

Finding the Fourth Proportional to 68,996.33, 95,217.64 and 38,781.56

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Solution

The fourth proportional to 68,996.33, 95,217.64 and 38,781.56 is: 53,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,996.33 : 95,217.64 = 38,781.56 : x
  2. Step 2: Convert to fraction form
    68,996.33/95,217.64 = 38,781.56/x
  3. Step 3: Cross multiply
    68,996.33x = 95,217.64 × 38,781.56
  4. Step 4: Simplify right side
    68,996.33x = 3,692,688,759.81
  5. Step 5: Solve for x
    x = 3,692,688,759.81/68,996.33
  6. Step 6: Final answer
    x = 53,520.07

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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.