Home / 74,208.96-111,358.08-40,950.72

Finding the Fourth Proportional to 74,208.96, 111,358.08 and 40,950.72

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Solution

The fourth proportional to 74,208.96, 111,358.08 and 40,950.72 is: 61,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.96 : 111,358.08 = 40,950.72 : x
  2. Step 2: Convert to fraction form
    74,208.96/111,358.08 = 40,950.72/x
  3. Step 3: Cross multiply
    74,208.96x = 111,358.08 × 40,950.72
  4. Step 4: Simplify right side
    74,208.96x = 4,560,193,553.82
  5. Step 5: Solve for x
    x = 4,560,193,553.82/74,208.96
  6. Step 6: Final answer
    x = 61,450.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.