Home / 68,324.83-102,507.09-28,336.48

Finding the Fourth Proportional to 68,324.83, 102,507.09 and 28,336.48

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Solution

The fourth proportional to 68,324.83, 102,507.09 and 28,336.48 is: 42,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,324.83 : 102,507.09 = 28,336.48 : x
  2. Step 2: Convert to fraction form
    68,324.83/102,507.09 = 28,336.48/x
  3. Step 3: Cross multiply
    68,324.83x = 102,507.09 × 28,336.48
  4. Step 4: Simplify right side
    68,324.83x = 2,904,690,105.64
  5. Step 5: Solve for x
    x = 2,904,690,105.64/68,324.83
  6. Step 6: Final answer
    x = 42,512.95

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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.