Home / 80,998.20-121,481.64-24,824.70

Finding the Fourth Proportional to 80,998.20, 121,481.64 and 24,824.70

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Solution

The fourth proportional to 80,998.20, 121,481.64 and 24,824.70 is: 37,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,998.20 : 121,481.64 = 24,824.70 : x
  2. Step 2: Convert to fraction form
    80,998.20/121,481.64 = 24,824.70/x
  3. Step 3: Cross multiply
    80,998.20x = 121,481.64 × 24,824.70
  4. Step 4: Simplify right side
    80,998.20x = 3,015,745,268.51
  5. Step 5: Solve for x
    x = 3,015,745,268.51/80,998.20
  6. Step 6: Final answer
    x = 37,232.25

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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.