Home / 68,939.46-103,449.30-26,848.62

Finding the Fourth Proportional to 68,939.46, 103,449.30 and 26,848.62

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Solution

The fourth proportional to 68,939.46, 103,449.30 and 26,848.62 is: 40,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939.46 : 103,449.30 = 26,848.62 : x
  2. Step 2: Convert to fraction form
    68,939.46/103,449.30 = 26,848.62/x
  3. Step 3: Cross multiply
    68,939.46x = 103,449.30 × 26,848.62
  4. Step 4: Simplify right side
    68,939.46x = 2,777,470,944.97
  5. Step 5: Solve for x
    x = 2,777,470,944.97/68,939.46
  6. Step 6: Final answer
    x = 40,288.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.