Home / 80,813.94-121,239.27-24,659.07

Finding the Fourth Proportional to 80,813.94, 121,239.27 and 24,659.07

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Solution

The fourth proportional to 80,813.94, 121,239.27 and 24,659.07 is: 36,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,813.94 : 121,239.27 = 24,659.07 : x
  2. Step 2: Convert to fraction form
    80,813.94/121,239.27 = 24,659.07/x
  3. Step 3: Cross multiply
    80,813.94x = 121,239.27 × 24,659.07
  4. Step 4: Simplify right side
    80,813.94x = 2,989,647,645.68
  5. Step 5: Solve for x
    x = 2,989,647,645.68/80,813.94
  6. Step 6: Final answer
    x = 36,994.21

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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.