Home / 89,321.01-133,996.09-33,161.28

Finding the Fourth Proportional to 89,321.01, 133,996.09 and 33,161.28

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Solution

The fourth proportional to 89,321.01, 133,996.09 and 33,161.28 is: 49,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,321.01 : 133,996.09 = 33,161.28 : x
  2. Step 2: Convert to fraction form
    89,321.01/133,996.09 = 33,161.28/x
  3. Step 3: Cross multiply
    89,321.01x = 133,996.09 × 33,161.28
  4. Step 4: Simplify right side
    89,321.01x = 4,443,481,565.86
  5. Step 5: Solve for x
    x = 4,443,481,565.86/89,321.01
  6. Step 6: Final answer
    x = 49,747.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.