Home / 96,189-132,740.82-53,747.54

Finding the Fourth Proportional to 96,189, 132,740.82 and 53,747.54

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Solution

The fourth proportional to 96,189, 132,740.82 and 53,747.54 is: 74,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,189 : 132,740.82 = 53,747.54 : x
  2. Step 2: Convert to fraction form
    96,189/132,740.82 = 53,747.54/x
  3. Step 3: Cross multiply
    96,189x = 132,740.82 × 53,747.54
  4. Step 4: Simplify right side
    96,189x = 7,134,491,868.88
  5. Step 5: Solve for x
    x = 7,134,491,868.88/96,189
  6. Step 6: Final answer
    x = 74,171.60

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1.5x scale

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.