Home / 68,583.60-102,882.96-21,825.54

Finding the Fourth Proportional to 68,583.60, 102,882.96 and 21,825.54

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Solution

The fourth proportional to 68,583.60, 102,882.96 and 21,825.54 is: 32,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,583.60 : 102,882.96 = 21,825.54 : x
  2. Step 2: Convert to fraction form
    68,583.60/102,882.96 = 21,825.54/x
  3. Step 3: Cross multiply
    68,583.60x = 102,882.96 × 21,825.54
  4. Step 4: Simplify right side
    68,583.60x = 2,245,476,158.80
  5. Step 5: Solve for x
    x = 2,245,476,158.80/68,583.60
  6. Step 6: Final answer
    x = 32,740.72

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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.