Home / 102,778.35-154,162.05-32,652.20

Finding the Fourth Proportional to 102,778.35, 154,162.05 and 32,652.20

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Solution

The fourth proportional to 102,778.35, 154,162.05 and 32,652.20 is: 48,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,778.35 : 154,162.05 = 32,652.20 : x
  2. Step 2: Convert to fraction form
    102,778.35/154,162.05 = 32,652.20/x
  3. Step 3: Cross multiply
    102,778.35x = 154,162.05 × 32,652.20
  4. Step 4: Simplify right side
    102,778.35x = 5,033,729,318.20
  5. Step 5: Solve for x
    x = 5,033,729,318.20/102,778.35
  6. Step 6: Final answer
    x = 48,976.55

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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.