Home / 82,571.02-123,735.06-36,923.38

Finding the Fourth Proportional to 82,571.02, 123,735.06 and 36,923.38

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Solution

The fourth proportional to 82,571.02, 123,735.06 and 36,923.38 is: 55,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,571.02 : 123,735.06 = 36,923.38 : x
  2. Step 2: Convert to fraction form
    82,571.02/123,735.06 = 36,923.38/x
  3. Step 3: Cross multiply
    82,571.02x = 123,735.06 × 36,923.38
  4. Step 4: Simplify right side
    82,571.02x = 4,568,716,639.70
  5. Step 5: Solve for x
    x = 4,568,716,639.70/82,571.02
  6. Step 6: Final answer
    x = 55,330.75

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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.