Home / 100,027.07-149,962.71-50,081.44

Finding the Fourth Proportional to 100,027.07, 149,962.71 and 50,081.44

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Solution

The fourth proportional to 100,027.07, 149,962.71 and 50,081.44 is: 75,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,027.07 : 149,962.71 = 50,081.44 : x
  2. Step 2: Convert to fraction form
    100,027.07/149,962.71 = 50,081.44/x
  3. Step 3: Cross multiply
    100,027.07x = 149,962.71 × 50,081.44
  4. Step 4: Simplify right side
    100,027.07x = 7,510,347,713.29
  5. Step 5: Solve for x
    x = 7,510,347,713.29/100,027.07
  6. Step 6: Final answer
    x = 75,083.15

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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.