Home / 117,743.68-162,493.35-69,377.83

Finding the Fourth Proportional to 117,743.68, 162,493.35 and 69,377.83

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Solution

The fourth proportional to 117,743.68, 162,493.35 and 69,377.83 is: 95,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743.68 : 162,493.35 = 69,377.83 : x
  2. Step 2: Convert to fraction form
    117,743.68/162,493.35 = 69,377.83/x
  3. Step 3: Cross multiply
    117,743.68x = 162,493.35 × 69,377.83
  4. Step 4: Simplify right side
    117,743.68x = 11,273,436,012.43
  5. Step 5: Solve for x
    x = 11,273,436,012.43/117,743.68
  6. Step 6: Final answer
    x = 95,745.57

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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.