Home / 52,431.22-78,584.39-30,198.54

Finding the Fourth Proportional to 52,431.22, 78,584.39 and 30,198.54

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Solution

The fourth proportional to 52,431.22, 78,584.39 and 30,198.54 is: 45,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.22 : 78,584.39 = 30,198.54 : x
  2. Step 2: Convert to fraction form
    52,431.22/78,584.39 = 30,198.54/x
  3. Step 3: Cross multiply
    52,431.22x = 78,584.39 × 30,198.54
  4. Step 4: Simplify right side
    52,431.22x = 2,373,133,844.79
  5. Step 5: Solve for x
    x = 2,373,133,844.79/52,431.22
  6. Step 6: Final answer
    x = 45,261.85

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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.