Home / 68,580.91-94,660.68-39,906.10

Finding the Fourth Proportional to 68,580.91, 94,660.68 and 39,906.10

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Solution

The fourth proportional to 68,580.91, 94,660.68 and 39,906.10 is: 55,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,580.91 : 94,660.68 = 39,906.10 : x
  2. Step 2: Convert to fraction form
    68,580.91/94,660.68 = 39,906.10/x
  3. Step 3: Cross multiply
    68,580.91x = 94,660.68 × 39,906.10
  4. Step 4: Simplify right side
    68,580.91x = 3,777,538,562.15
  5. Step 5: Solve for x
    x = 3,777,538,562.15/68,580.91
  6. Step 6: Final answer
    x = 55,081.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.