Home / 96,882.78-133,697.06-54,448.50

Finding the Fourth Proportional to 96,882.78, 133,697.06 and 54,448.50

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Solution

The fourth proportional to 96,882.78, 133,697.06 and 54,448.50 is: 75,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,882.78 : 133,697.06 = 54,448.50 : x
  2. Step 2: Convert to fraction form
    96,882.78/133,697.06 = 54,448.50/x
  3. Step 3: Cross multiply
    96,882.78x = 133,697.06 × 54,448.50
  4. Step 4: Simplify right side
    96,882.78x = 7,279,604,371.41
  5. Step 5: Solve for x
    x = 7,279,604,371.41/96,882.78
  6. Step 6: Final answer
    x = 75,138.27

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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.