Home / 75,672.24-104,428.39-41,680.85

Finding the Fourth Proportional to 75,672.24, 104,428.39 and 41,680.85

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Solution

The fourth proportional to 75,672.24, 104,428.39 and 41,680.85 is: 57,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672.24 : 104,428.39 = 41,680.85 : x
  2. Step 2: Convert to fraction form
    75,672.24/104,428.39 = 41,680.85/x
  3. Step 3: Cross multiply
    75,672.24x = 104,428.39 × 41,680.85
  4. Step 4: Simplify right side
    75,672.24x = 4,352,664,059.33
  5. Step 5: Solve for x
    x = 4,352,664,059.33/75,672.24
  6. Step 6: Final answer
    x = 57,519.96

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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.