Home / 100,723.30-150,902.70-48,016.60

Finding the Fourth Proportional to 100,723.30, 150,902.70 and 48,016.60

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Solution

The fourth proportional to 100,723.30, 150,902.70 and 48,016.60 is: 71,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723.30 : 150,902.70 = 48,016.60 : x
  2. Step 2: Convert to fraction form
    100,723.30/150,902.70 = 48,016.60/x
  3. Step 3: Cross multiply
    100,723.30x = 150,902.70 × 48,016.60
  4. Step 4: Simplify right side
    100,723.30x = 7,245,834,584.82
  5. Step 5: Solve for x
    x = 7,245,834,584.82/100,723.30
  6. Step 6: Final answer
    x = 71,938.02

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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.