Home / 74,571.42-111,896.04-30,230.94

Finding the Fourth Proportional to 74,571.42, 111,896.04 and 30,230.94

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Solution

The fourth proportional to 74,571.42, 111,896.04 and 30,230.94 is: 45,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.42 : 111,896.04 = 30,230.94 : x
  2. Step 2: Convert to fraction form
    74,571.42/111,896.04 = 30,230.94/x
  3. Step 3: Cross multiply
    74,571.42x = 111,896.04 × 30,230.94
  4. Step 4: Simplify right side
    74,571.42x = 3,382,722,471.48
  5. Step 5: Solve for x
    x = 3,382,722,471.48/74,571.42
  6. Step 6: Final answer
    x = 45,362.18

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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.