Home / 68,288.18-94,233.30-39,608.88

Finding the Fourth Proportional to 68,288.18, 94,233.30 and 39,608.88

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Solution

The fourth proportional to 68,288.18, 94,233.30 and 39,608.88 is: 54,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.18 : 94,233.30 = 39,608.88 : x
  2. Step 2: Convert to fraction form
    68,288.18/94,233.30 = 39,608.88/x
  3. Step 3: Cross multiply
    68,288.18x = 94,233.30 × 39,608.88
  4. Step 4: Simplify right side
    68,288.18x = 3,732,475,471.70
  5. Step 5: Solve for x
    x = 3,732,475,471.70/68,288.18
  6. Step 6: Final answer
    x = 54,657.71

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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.