Home / 80,816.44-121,243.02-24,661.57

Finding the Fourth Proportional to 80,816.44, 121,243.02 and 24,661.57

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Solution

The fourth proportional to 80,816.44, 121,243.02 and 24,661.57 is: 36,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.44 : 121,243.02 = 24,661.57 : x
  2. Step 2: Convert to fraction form
    80,816.44/121,243.02 = 24,661.57/x
  3. Step 3: Cross multiply
    80,816.44x = 121,243.02 × 24,661.57
  4. Step 4: Simplify right side
    80,816.44x = 2,990,043,224.74
  5. Step 5: Solve for x
    x = 2,990,043,224.74/80,816.44
  6. Step 6: Final answer
    x = 36,997.96

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1.5x scale

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.