Home / 80,670.42-121,021.97-33,923.25

Finding the Fourth Proportional to 80,670.42, 121,021.97 and 33,923.25

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Solution

The fourth proportional to 80,670.42, 121,021.97 and 33,923.25 is: 50,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,670.42 : 121,021.97 = 33,923.25 : x
  2. Step 2: Convert to fraction form
    80,670.42/121,021.97 = 33,923.25/x
  3. Step 3: Cross multiply
    80,670.42x = 121,021.97 × 33,923.25
  4. Step 4: Simplify right side
    80,670.42x = 4,105,458,374.19
  5. Step 5: Solve for x
    x = 4,105,458,374.19/80,670.42
  6. Step 6: Final answer
    x = 50,891.74

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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.