Home / 82,052.57-123,027.05-34,643.12

Finding the Fourth Proportional to 82,052.57, 123,027.05 and 34,643.12

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Solution

The fourth proportional to 82,052.57, 123,027.05 and 34,643.12 is: 51,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,052.57 : 123,027.05 = 34,643.12 : x
  2. Step 2: Convert to fraction form
    82,052.57/123,027.05 = 34,643.12/x
  3. Step 3: Cross multiply
    82,052.57x = 123,027.05 × 34,643.12
  4. Step 4: Simplify right side
    82,052.57x = 4,262,040,327.87
  5. Step 5: Solve for x
    x = 4,262,040,327.87/82,052.57
  6. Step 6: Final answer
    x = 51,942.80

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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.