Home / 100,723.06-150,948.57-38,359.54

Finding the Fourth Proportional to 100,723.06, 150,948.57 and 38,359.54

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Solution

The fourth proportional to 100,723.06, 150,948.57 and 38,359.54 is: 57,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723.06 : 150,948.57 = 38,359.54 : x
  2. Step 2: Convert to fraction form
    100,723.06/150,948.57 = 38,359.54/x
  3. Step 3: Cross multiply
    100,723.06x = 150,948.57 × 38,359.54
  4. Step 4: Simplify right side
    100,723.06x = 5,790,317,708.86
  5. Step 5: Solve for x
    x = 5,790,317,708.86/100,723.06
  6. Step 6: Final answer
    x = 57,487.51

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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.