Home / 207,845.77-311,768.81-50,074.38

Finding the Fourth Proportional to 207,845.77, 311,768.81 and 50,074.38

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Solution

The fourth proportional to 207,845.77, 311,768.81 and 50,074.38 is: 75,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,845.77 : 311,768.81 = 50,074.38 : x
  2. Step 2: Convert to fraction form
    207,845.77/311,768.81 = 50,074.38/x
  3. Step 3: Cross multiply
    207,845.77x = 311,768.81 × 50,074.38
  4. Step 4: Simplify right side
    207,845.77x = 15,611,629,864.09
  5. Step 5: Solve for x
    x = 15,611,629,864.09/207,845.77
  6. Step 6: Final answer
    x = 75,111.61

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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.