Home / 75,418.85-104,071.81-41,425.58

Finding the Fourth Proportional to 75,418.85, 104,071.81 and 41,425.58

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Solution

The fourth proportional to 75,418.85, 104,071.81 and 41,425.58 is: 57,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.85 : 104,071.81 = 41,425.58 : x
  2. Step 2: Convert to fraction form
    75,418.85/104,071.81 = 41,425.58/x
  3. Step 3: Cross multiply
    75,418.85x = 104,071.81 × 41,425.58
  4. Step 4: Simplify right side
    75,418.85x = 4,311,234,856.29
  5. Step 5: Solve for x
    x = 4,311,234,856.29/75,418.85
  6. Step 6: Final answer
    x = 57,163.89

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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.