Home / 68,286.76-102,433.40-33,184.60

Finding the Fourth Proportional to 68,286.76, 102,433.40 and 33,184.60

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Solution

The fourth proportional to 68,286.76, 102,433.40 and 33,184.60 is: 49,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,286.76 : 102,433.40 = 33,184.60 : x
  2. Step 2: Convert to fraction form
    68,286.76/102,433.40 = 33,184.60/x
  3. Step 3: Cross multiply
    68,286.76x = 102,433.40 × 33,184.60
  4. Step 4: Simplify right side
    68,286.76x = 3,399,211,405.64
  5. Step 5: Solve for x
    x = 3,399,211,405.64/68,286.76
  6. Step 6: Final answer
    x = 49,778.48

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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.