Home / 75,919.32-112,982.40-73,396.44

Finding the Fourth Proportional to 75,919.32, 112,982.40 and 73,396.44

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Solution

The fourth proportional to 75,919.32, 112,982.40 and 73,396.44 is: 109,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,919.32 : 112,982.40 = 73,396.44 : x
  2. Step 2: Convert to fraction form
    75,919.32/112,982.40 = 73,396.44/x
  3. Step 3: Cross multiply
    75,919.32x = 112,982.40 × 73,396.44
  4. Step 4: Simplify right side
    75,919.32x = 8,292,505,942.66
  5. Step 5: Solve for x
    x = 8,292,505,942.66/75,919.32
  6. Step 6: Final answer
    x = 109,227.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.