Home / 82,036.94-123,002.87-34,639.19

Finding the Fourth Proportional to 82,036.94, 123,002.87 and 34,639.19

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Solution

The fourth proportional to 82,036.94, 123,002.87 and 34,639.19 is: 51,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,036.94 : 123,002.87 = 34,639.19 : x
  2. Step 2: Convert to fraction form
    82,036.94/123,002.87 = 34,639.19/x
  3. Step 3: Cross multiply
    82,036.94x = 123,002.87 × 34,639.19
  4. Step 4: Simplify right side
    82,036.94x = 4,260,718,996.27
  5. Step 5: Solve for x
    x = 4,260,718,996.27/82,036.94
  6. Step 6: Final answer
    x = 51,936.59

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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.