Home / 80,921.46-121,396.79-24,760.52

Finding the Fourth Proportional to 80,921.46, 121,396.79 and 24,760.52

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Solution

The fourth proportional to 80,921.46, 121,396.79 and 24,760.52 is: 37,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,921.46 : 121,396.79 = 24,760.52 : x
  2. Step 2: Convert to fraction form
    80,921.46/121,396.79 = 24,760.52/x
  3. Step 3: Cross multiply
    80,921.46x = 121,396.79 × 24,760.52
  4. Step 4: Simplify right side
    80,921.46x = 3,005,847,646.73
  5. Step 5: Solve for x
    x = 3,005,847,646.73/80,921.46
  6. Step 6: Final answer
    x = 37,145.25

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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.