Home / 87,351.06-120,544.56-49,632.60

Finding the Fourth Proportional to 87,351.06, 120,544.56 and 49,632.60

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Solution

The fourth proportional to 87,351.06, 120,544.56 and 49,632.60 is: 68,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,351.06 : 120,544.56 = 49,632.60 : x
  2. Step 2: Convert to fraction form
    87,351.06/120,544.56 = 49,632.60/x
  3. Step 3: Cross multiply
    87,351.06x = 120,544.56 × 49,632.60
  4. Step 4: Simplify right side
    87,351.06x = 5,982,939,928.66
  5. Step 5: Solve for x
    x = 5,982,939,928.66/87,351.06
  6. Step 6: Final answer
    x = 68,493.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.