Home / 51,367.96-77,074.22-18,111.79

Finding the Fourth Proportional to 51,367.96, 77,074.22 and 18,111.79

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Solution

The fourth proportional to 51,367.96, 77,074.22 and 18,111.79 is: 27,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,367.96 : 77,074.22 = 18,111.79 : x
  2. Step 2: Convert to fraction form
    51,367.96/77,074.22 = 18,111.79/x
  3. Step 3: Cross multiply
    51,367.96x = 77,074.22 × 18,111.79
  4. Step 4: Simplify right side
    51,367.96x = 1,395,952,087.05
  5. Step 5: Solve for x
    x = 1,395,952,087.05/51,367.96
  6. Step 6: Final answer
    x = 27,175.54

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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.