Home / 45,769.42-68,769.15-29,136.88

Finding the Fourth Proportional to 45,769.42, 68,769.15 and 29,136.88

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Solution

The fourth proportional to 45,769.42, 68,769.15 and 29,136.88 is: 43,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.42 : 68,769.15 = 29,136.88 : x
  2. Step 2: Convert to fraction form
    45,769.42/68,769.15 = 29,136.88/x
  3. Step 3: Cross multiply
    45,769.42x = 68,769.15 × 29,136.88
  4. Step 4: Simplify right side
    45,769.42x = 2,003,718,471.25
  5. Step 5: Solve for x
    x = 2,003,718,471.25/45,769.42
  6. Step 6: Final answer
    x = 43,778.54

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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.