Home / 96,639.78-133,362.54-54,198.48

Finding the Fourth Proportional to 96,639.78, 133,362.54 and 54,198.48

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Solution

The fourth proportional to 96,639.78, 133,362.54 and 54,198.48 is: 74,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,639.78 : 133,362.54 = 54,198.48 : x
  2. Step 2: Convert to fraction form
    96,639.78/133,362.54 = 54,198.48/x
  3. Step 3: Cross multiply
    96,639.78x = 133,362.54 × 54,198.48
  4. Step 4: Simplify right side
    96,639.78x = 7,228,046,956.94
  5. Step 5: Solve for x
    x = 7,228,046,956.94/96,639.78
  6. Step 6: Final answer
    x = 74,793.70

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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.