Home / 68,065.22-102,083.52-25,930.64

Finding the Fourth Proportional to 68,065.22, 102,083.52 and 25,930.64

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Solution

The fourth proportional to 68,065.22, 102,083.52 and 25,930.64 is: 38,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,065.22 : 102,083.52 = 25,930.64 : x
  2. Step 2: Convert to fraction form
    68,065.22/102,083.52 = 25,930.64/x
  3. Step 3: Cross multiply
    68,065.22x = 102,083.52 × 25,930.64
  4. Step 4: Simplify right side
    68,065.22x = 2,647,091,007.05
  5. Step 5: Solve for x
    x = 2,647,091,007.05/68,065.22
  6. Step 6: Final answer
    x = 38,890.51

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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.