Home / 68,734.16-103,136.34-32,751.26

Finding the Fourth Proportional to 68,734.16, 103,136.34 and 32,751.26

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Solution

The fourth proportional to 68,734.16, 103,136.34 and 32,751.26 is: 49,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,734.16 : 103,136.34 = 32,751.26 : x
  2. Step 2: Convert to fraction form
    68,734.16/103,136.34 = 32,751.26/x
  3. Step 3: Cross multiply
    68,734.16x = 103,136.34 × 32,751.26
  4. Step 4: Simplify right side
    68,734.16x = 3,377,845,086.79
  5. Step 5: Solve for x
    x = 3,377,845,086.79/68,734.16
  6. Step 6: Final answer
    x = 49,143.61

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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.