Home / 80,811.94-121,236.27-24,657.07

Finding the Fourth Proportional to 80,811.94, 121,236.27 and 24,657.07

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Solution

The fourth proportional to 80,811.94, 121,236.27 and 24,657.07 is: 36,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,811.94 : 121,236.27 = 24,657.07 : x
  2. Step 2: Convert to fraction form
    80,811.94/121,236.27 = 24,657.07/x
  3. Step 3: Cross multiply
    80,811.94x = 121,236.27 × 24,657.07
  4. Step 4: Simplify right side
    80,811.94x = 2,989,331,195.93
  5. Step 5: Solve for x
    x = 2,989,331,195.93/80,811.94
  6. Step 6: Final answer
    x = 36,991.21

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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.