Home / 103,902.96-155,872.80-33,769.92

Finding the Fourth Proportional to 103,902.96, 155,872.80 and 33,769.92

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Solution

The fourth proportional to 103,902.96, 155,872.80 and 33,769.92 is: 50,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,902.96 : 155,872.80 = 33,769.92 : x
  2. Step 2: Convert to fraction form
    103,902.96/155,872.80 = 33,769.92/x
  3. Step 3: Cross multiply
    103,902.96x = 155,872.80 × 33,769.92
  4. Step 4: Simplify right side
    103,902.96x = 5,263,811,986.18
  5. Step 5: Solve for x
    x = 5,263,811,986.18/103,902.96
  6. Step 6: Final answer
    x = 50,660.85

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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.