Home / 45,489.20-68,150.66-32,978.20

Finding the Fourth Proportional to 45,489.20, 68,150.66 and 32,978.20

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Solution

The fourth proportional to 45,489.20, 68,150.66 and 32,978.20 is: 49,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.20 : 68,150.66 = 32,978.20 : x
  2. Step 2: Convert to fraction form
    45,489.20/68,150.66 = 32,978.20/x
  3. Step 3: Cross multiply
    45,489.20x = 68,150.66 × 32,978.20
  4. Step 4: Simplify right side
    45,489.20x = 2,247,486,095.61
  5. Step 5: Solve for x
    x = 2,247,486,095.61/45,489.20
  6. Step 6: Final answer
    x = 49,407.03

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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.