Home / 82,198.04-123,336.06-56,936.40

Finding the Fourth Proportional to 82,198.04, 123,336.06 and 56,936.40

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Solution

The fourth proportional to 82,198.04, 123,336.06 and 56,936.40 is: 85,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,198.04 : 123,336.06 = 56,936.40 : x
  2. Step 2: Convert to fraction form
    82,198.04/123,336.06 = 56,936.40/x
  3. Step 3: Cross multiply
    82,198.04x = 123,336.06 × 56,936.40
  4. Step 4: Simplify right side
    82,198.04x = 7,022,311,246.58
  5. Step 5: Solve for x
    x = 7,022,311,246.58/82,198.04
  6. Step 6: Final answer
    x = 85,431.61

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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.