Home / 80,997.39-121,550.32-33,612.53

Finding the Fourth Proportional to 80,997.39, 121,550.32 and 33,612.53

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Solution

The fourth proportional to 80,997.39, 121,550.32 and 33,612.53 is: 50,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,997.39 : 121,550.32 = 33,612.53 : x
  2. Step 2: Convert to fraction form
    80,997.39/121,550.32 = 33,612.53/x
  3. Step 3: Cross multiply
    80,997.39x = 121,550.32 × 33,612.53
  4. Step 4: Simplify right side
    80,997.39x = 4,085,613,364.56
  5. Step 5: Solve for x
    x = 4,085,613,364.56/80,997.39
  6. Step 6: Final answer
    x = 50,441.30

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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.