Home / 68,433.22-102,506.69-55,033.66

Finding the Fourth Proportional to 68,433.22, 102,506.69 and 55,033.66

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Solution

The fourth proportional to 68,433.22, 102,506.69 and 55,033.66 is: 82,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,433.22 : 102,506.69 = 55,033.66 : x
  2. Step 2: Convert to fraction form
    68,433.22/102,506.69 = 55,033.66/x
  3. Step 3: Cross multiply
    68,433.22x = 102,506.69 × 55,033.66
  4. Step 4: Simplify right side
    68,433.22x = 5,641,317,793.75
  5. Step 5: Solve for x
    x = 5,641,317,793.75/68,433.22
  6. Step 6: Final answer
    x = 82,435.37

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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.