Home / 75,672.58-104,427.18-41,680.42

Finding the Fourth Proportional to 75,672.58, 104,427.18 and 41,680.42

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Solution

The fourth proportional to 75,672.58, 104,427.18 and 41,680.42 is: 57,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672.58 : 104,427.18 = 41,680.42 : x
  2. Step 2: Convert to fraction form
    75,672.58/104,427.18 = 41,680.42/x
  3. Step 3: Cross multiply
    75,672.58x = 104,427.18 × 41,680.42
  4. Step 4: Simplify right side
    75,672.58x = 4,352,568,721.82
  5. Step 5: Solve for x
    x = 4,352,568,721.82/75,672.58
  6. Step 6: Final answer
    x = 57,518.44

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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.