Home / 112,481.96-155,217.30-62,177

Finding the Fourth Proportional to 112,481.96, 155,217.30 and 62,177

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Solution

The fourth proportional to 112,481.96, 155,217.30 and 62,177 is: 85,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,481.96 : 155,217.30 = 62,177 : x
  2. Step 2: Convert to fraction form
    112,481.96/155,217.30 = 62,177/x
  3. Step 3: Cross multiply
    112,481.96x = 155,217.30 × 62,177
  4. Step 4: Simplify right side
    112,481.96x = 9,650,946,062.10
  5. Step 5: Solve for x
    x = 9,650,946,062.10/112,481.96
  6. Step 6: Final answer
    x = 85,799.95

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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.