Home / 80,867.88-121,325.28-33,474.24

Finding the Fourth Proportional to 80,867.88, 121,325.28 and 33,474.24

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Solution

The fourth proportional to 80,867.88, 121,325.28 and 33,474.24 is: 50,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,867.88 : 121,325.28 = 33,474.24 : x
  2. Step 2: Convert to fraction form
    80,867.88/121,325.28 = 33,474.24/x
  3. Step 3: Cross multiply
    80,867.88x = 121,325.28 × 33,474.24
  4. Step 4: Simplify right side
    80,867.88x = 4,061,271,540.79
  5. Step 5: Solve for x
    x = 4,061,271,540.79/80,867.88
  6. Step 6: Final answer
    x = 50,221.07

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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.