Home / 74,338.57-111,529.73-29,942.47

Finding the Fourth Proportional to 74,338.57, 111,529.73 and 29,942.47

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Solution

The fourth proportional to 74,338.57, 111,529.73 and 29,942.47 is: 44,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,338.57 : 111,529.73 = 29,942.47 : x
  2. Step 2: Convert to fraction form
    74,338.57/111,529.73 = 29,942.47/x
  3. Step 3: Cross multiply
    74,338.57x = 111,529.73 × 29,942.47
  4. Step 4: Simplify right side
    74,338.57x = 3,339,475,166.10
  5. Step 5: Solve for x
    x = 3,339,475,166.10/74,338.57
  6. Step 6: Final answer
    x = 44,922.51

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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.