Home / 68,231.50-102,305.56-32,703.69

Finding the Fourth Proportional to 68,231.50, 102,305.56 and 32,703.69

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Solution

The fourth proportional to 68,231.50, 102,305.56 and 32,703.69 is: 49,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,231.50 : 102,305.56 = 32,703.69 : x
  2. Step 2: Convert to fraction form
    68,231.50/102,305.56 = 32,703.69/x
  3. Step 3: Cross multiply
    68,231.50x = 102,305.56 × 32,703.69
  4. Step 4: Simplify right side
    68,231.50x = 3,345,769,078.36
  5. Step 5: Solve for x
    x = 3,345,769,078.36/68,231.50
  6. Step 6: Final answer
    x = 49,035.55

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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.