Home / 68,230.20-102,345.30-44,610.60

Finding the Fourth Proportional to 68,230.20, 102,345.30 and 44,610.60

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Solution

The fourth proportional to 68,230.20, 102,345.30 and 44,610.60 is: 66,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.20 : 102,345.30 = 44,610.60 : x
  2. Step 2: Convert to fraction form
    68,230.20/102,345.30 = 44,610.60/x
  3. Step 3: Cross multiply
    68,230.20x = 102,345.30 × 44,610.60
  4. Step 4: Simplify right side
    68,230.20x = 4,565,685,240.18
  5. Step 5: Solve for x
    x = 4,565,685,240.18/68,230.20
  6. Step 6: Final answer
    x = 66,915.90

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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.