Home / 100,821.07-151,324.95-50,936.27

Finding the Fourth Proportional to 100,821.07, 151,324.95 and 50,936.27

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Solution

The fourth proportional to 100,821.07, 151,324.95 and 50,936.27 is: 76,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,821.07 : 151,324.95 = 50,936.27 : x
  2. Step 2: Convert to fraction form
    100,821.07/151,324.95 = 50,936.27/x
  3. Step 3: Cross multiply
    100,821.07x = 151,324.95 × 50,936.27
  4. Step 4: Simplify right side
    100,821.07x = 7,707,928,510.94
  5. Step 5: Solve for x
    x = 7,707,928,510.94/100,821.07
  6. Step 6: Final answer
    x = 76,451.57

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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.