Home / 100,850.32-151,205.31-44,659.91

Finding the Fourth Proportional to 100,850.32, 151,205.31 and 44,659.91

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Solution

The fourth proportional to 100,850.32, 151,205.31 and 44,659.91 is: 66,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850.32 : 151,205.31 = 44,659.91 : x
  2. Step 2: Convert to fraction form
    100,850.32/151,205.31 = 44,659.91/x
  3. Step 3: Cross multiply
    100,850.32x = 151,205.31 × 44,659.91
  4. Step 4: Simplify right side
    100,850.32x = 6,752,814,938.00
  5. Step 5: Solve for x
    x = 6,752,814,938.00/100,850.32
  6. Step 6: Final answer
    x = 66,958.79

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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.