Home / 82,085.12-123,055-32,201.02

Finding the Fourth Proportional to 82,085.12, 123,055 and 32,201.02

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Solution

The fourth proportional to 82,085.12, 123,055 and 32,201.02 is: 48,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,085.12 : 123,055 = 32,201.02 : x
  2. Step 2: Convert to fraction form
    82,085.12/123,055 = 32,201.02/x
  3. Step 3: Cross multiply
    82,085.12x = 123,055 × 32,201.02
  4. Step 4: Simplify right side
    82,085.12x = 3,962,496,516.10
  5. Step 5: Solve for x
    x = 3,962,496,516.10/82,085.12
  6. Step 6: Final answer
    x = 48,273.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.