Home / 80,816.94-121,243.77-24,662.07

Finding the Fourth Proportional to 80,816.94, 121,243.77 and 24,662.07

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Solution

The fourth proportional to 80,816.94, 121,243.77 and 24,662.07 is: 36,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.94 : 121,243.77 = 24,662.07 : x
  2. Step 2: Convert to fraction form
    80,816.94/121,243.77 = 24,662.07/x
  3. Step 3: Cross multiply
    80,816.94x = 121,243.77 × 24,662.07
  4. Step 4: Simplify right side
    80,816.94x = 2,990,122,342.80
  5. Step 5: Solve for x
    x = 2,990,122,342.80/80,816.94
  6. Step 6: Final answer
    x = 36,998.71

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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.