Home / 68,789.17-103,166.44-26,654.79

Finding the Fourth Proportional to 68,789.17, 103,166.44 and 26,654.79

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Solution

The fourth proportional to 68,789.17, 103,166.44 and 26,654.79 is: 39,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.17 : 103,166.44 = 26,654.79 : x
  2. Step 2: Convert to fraction form
    68,789.17/103,166.44 = 26,654.79/x
  3. Step 3: Cross multiply
    68,789.17x = 103,166.44 × 26,654.79
  4. Step 4: Simplify right side
    68,789.17x = 2,749,879,793.25
  5. Step 5: Solve for x
    x = 2,749,879,793.25/68,789.17
  6. Step 6: Final answer
    x = 39,975.48

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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.