Home / 90,747.03-125,197.41-54,923.97

Finding the Fourth Proportional to 90,747.03, 125,197.41 and 54,923.97

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Solution

The fourth proportional to 90,747.03, 125,197.41 and 54,923.97 is: 75,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.03 : 125,197.41 = 54,923.97 : x
  2. Step 2: Convert to fraction form
    90,747.03/125,197.41 = 54,923.97/x
  3. Step 3: Cross multiply
    90,747.03x = 125,197.41 × 54,923.97
  4. Step 4: Simplify right side
    90,747.03x = 6,876,339,466.37
  5. Step 5: Solve for x
    x = 6,876,339,466.37/90,747.03
  6. Step 6: Final answer
    x = 75,774.81

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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.