Home / 96,912.72-133,738.83-54,471.42

Finding the Fourth Proportional to 96,912.72, 133,738.83 and 54,471.42

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Solution

The fourth proportional to 96,912.72, 133,738.83 and 54,471.42 is: 75,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,912.72 : 133,738.83 = 54,471.42 : x
  2. Step 2: Convert to fraction form
    96,912.72/133,738.83 = 54,471.42/x
  3. Step 3: Cross multiply
    96,912.72x = 133,738.83 × 54,471.42
  4. Step 4: Simplify right side
    96,912.72x = 7,284,943,979.24
  5. Step 5: Solve for x
    x = 7,284,943,979.24/96,912.72
  6. Step 6: Final answer
    x = 75,170.15

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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.