Home / 68,902.92-95,084.82-38,688.48

Finding the Fourth Proportional to 68,902.92, 95,084.82 and 38,688.48

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Solution

The fourth proportional to 68,902.92, 95,084.82 and 38,688.48 is: 53,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,902.92 : 95,084.82 = 38,688.48 : x
  2. Step 2: Convert to fraction form
    68,902.92/95,084.82 = 38,688.48/x
  3. Step 3: Cross multiply
    68,902.92x = 95,084.82 × 38,688.48
  4. Step 4: Simplify right side
    68,902.92x = 3,678,687,156.87
  5. Step 5: Solve for x
    x = 3,678,687,156.87/68,902.92
  6. Step 6: Final answer
    x = 53,389.42

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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.