Home / 108,768.26-163,183.98-38,653.04

Finding the Fourth Proportional to 108,768.26, 163,183.98 and 38,653.04

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Solution

The fourth proportional to 108,768.26, 163,183.98 and 38,653.04 is: 57,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,768.26 : 163,183.98 = 38,653.04 : x
  2. Step 2: Convert to fraction form
    108,768.26/163,183.98 = 38,653.04/x
  3. Step 3: Cross multiply
    108,768.26x = 163,183.98 × 38,653.04
  4. Step 4: Simplify right side
    108,768.26x = 6,307,556,906.30
  5. Step 5: Solve for x
    x = 6,307,556,906.30/108,768.26
  6. Step 6: Final answer
    x = 57,990.79

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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.