Home / 89,195.44-123,093.60-53,378.64

Finding the Fourth Proportional to 89,195.44, 123,093.60 and 53,378.64

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Solution

The fourth proportional to 89,195.44, 123,093.60 and 53,378.64 is: 73,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,195.44 : 123,093.60 = 53,378.64 : x
  2. Step 2: Convert to fraction form
    89,195.44/123,093.60 = 53,378.64/x
  3. Step 3: Cross multiply
    89,195.44x = 123,093.60 × 53,378.64
  4. Step 4: Simplify right side
    89,195.44x = 6,570,568,960.70
  5. Step 5: Solve for x
    x = 6,570,568,960.70/89,195.44
  6. Step 6: Final answer
    x = 73,664.85

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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.