Home / 68,621.20-102,906.20-27,059.60

Finding the Fourth Proportional to 68,621.20, 102,906.20 and 27,059.60

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Solution

The fourth proportional to 68,621.20, 102,906.20 and 27,059.60 is: 40,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,621.20 : 102,906.20 = 27,059.60 : x
  2. Step 2: Convert to fraction form
    68,621.20/102,906.20 = 27,059.60/x
  3. Step 3: Cross multiply
    68,621.20x = 102,906.20 × 27,059.60
  4. Step 4: Simplify right side
    68,621.20x = 2,784,600,609.52
  5. Step 5: Solve for x
    x = 2,784,600,609.52/68,621.20
  6. Step 6: Final answer
    x = 40,579.31

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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.