Home / 68,826.85-103,227.92-18,226.19

Finding the Fourth Proportional to 68,826.85, 103,227.92 and 18,226.19

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Solution

The fourth proportional to 68,826.85, 103,227.92 and 18,226.19 is: 27,336.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.85 : 103,227.92 = 18,226.19 : x
  2. Step 2: Convert to fraction form
    68,826.85/103,227.92 = 18,226.19/x
  3. Step 3: Cross multiply
    68,826.85x = 103,227.92 × 18,226.19
  4. Step 4: Simplify right side
    68,826.85x = 1,881,451,850.16
  5. Step 5: Solve for x
    x = 1,881,451,850.16/68,826.85
  6. Step 6: Final answer
    x = 27,336.02

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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.