Home / 100,027.58-149,963.45-50,081.96

Finding the Fourth Proportional to 100,027.58, 149,963.45 and 50,081.96

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Solution

The fourth proportional to 100,027.58, 149,963.45 and 50,081.96 is: 75,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,027.58 : 149,963.45 = 50,081.96 : x
  2. Step 2: Convert to fraction form
    100,027.58/149,963.45 = 50,081.96/x
  3. Step 3: Cross multiply
    100,027.58x = 149,963.45 × 50,081.96
  4. Step 4: Simplify right side
    100,027.58x = 7,510,463,504.36
  5. Step 5: Solve for x
    x = 7,510,463,504.36/100,027.58
  6. Step 6: Final answer
    x = 75,083.93

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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.