Home / 74,906.46-112,262.49-30,481.61

Finding the Fourth Proportional to 74,906.46, 112,262.49 and 30,481.61

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Solution

The fourth proportional to 74,906.46, 112,262.49 and 30,481.61 is: 45,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,906.46 : 112,262.49 = 30,481.61 : x
  2. Step 2: Convert to fraction form
    74,906.46/112,262.49 = 30,481.61/x
  3. Step 3: Cross multiply
    74,906.46x = 112,262.49 × 30,481.61
  4. Step 4: Simplify right side
    74,906.46x = 3,421,940,876.50
  5. Step 5: Solve for x
    x = 3,421,940,876.50/74,906.46
  6. Step 6: Final answer
    x = 45,682.85

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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.