Home / 100,961.46-151,442.19-34,367.31

Finding the Fourth Proportional to 100,961.46, 151,442.19 and 34,367.31

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Solution

The fourth proportional to 100,961.46, 151,442.19 and 34,367.31 is: 51,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,961.46 : 151,442.19 = 34,367.31 : x
  2. Step 2: Convert to fraction form
    100,961.46/151,442.19 = 34,367.31/x
  3. Step 3: Cross multiply
    100,961.46x = 151,442.19 × 34,367.31
  4. Step 4: Simplify right side
    100,961.46x = 5,204,660,690.81
  5. Step 5: Solve for x
    x = 5,204,660,690.81/100,961.46
  6. Step 6: Final answer
    x = 51,550.97

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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.