Home / 103,331.72-154,853.23-55,844.44

Finding the Fourth Proportional to 103,331.72, 154,853.23 and 55,844.44

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Solution

The fourth proportional to 103,331.72, 154,853.23 and 55,844.44 is: 83,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.72 : 154,853.23 = 55,844.44 : x
  2. Step 2: Convert to fraction form
    103,331.72/154,853.23 = 55,844.44/x
  3. Step 3: Cross multiply
    103,331.72x = 154,853.23 × 55,844.44
  4. Step 4: Simplify right side
    103,331.72x = 8,647,691,911.54
  5. Step 5: Solve for x
    x = 8,647,691,911.54/103,331.72
  6. Step 6: Final answer
    x = 83,688.65

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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.