Home / 88,183.63-121,691.66-49,942.56

Finding the Fourth Proportional to 88,183.63, 121,691.66 and 49,942.56

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Solution

The fourth proportional to 88,183.63, 121,691.66 and 49,942.56 is: 68,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,183.63 : 121,691.66 = 49,942.56 : x
  2. Step 2: Convert to fraction form
    88,183.63/121,691.66 = 49,942.56/x
  3. Step 3: Cross multiply
    88,183.63x = 121,691.66 × 49,942.56
  4. Step 4: Simplify right side
    88,183.63x = 6,077,592,172.88
  5. Step 5: Solve for x
    x = 6,077,592,172.88/88,183.63
  6. Step 6: Final answer
    x = 68,919.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.