Home / 96,929.78-133,760.64-54,491.06

Finding the Fourth Proportional to 96,929.78, 133,760.64 and 54,491.06

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Solution

The fourth proportional to 96,929.78, 133,760.64 and 54,491.06 is: 75,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,929.78 : 133,760.64 = 54,491.06 : x
  2. Step 2: Convert to fraction form
    96,929.78/133,760.64 = 54,491.06/x
  3. Step 3: Cross multiply
    96,929.78x = 133,760.64 × 54,491.06
  4. Step 4: Simplify right side
    96,929.78x = 7,288,759,059.88
  5. Step 5: Solve for x
    x = 7,288,759,059.88/96,929.78
  6. Step 6: Final answer
    x = 75,196.28

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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.