Home / 82,165.07-123,247.61-26,761.07

Finding the Fourth Proportional to 82,165.07, 123,247.61 and 26,761.07

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Solution

The fourth proportional to 82,165.07, 123,247.61 and 26,761.07 is: 40,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,165.07 : 123,247.61 = 26,761.07 : x
  2. Step 2: Convert to fraction form
    82,165.07/123,247.61 = 26,761.07/x
  3. Step 3: Cross multiply
    82,165.07x = 123,247.61 × 26,761.07
  4. Step 4: Simplify right side
    82,165.07x = 3,298,237,918.54
  5. Step 5: Solve for x
    x = 3,298,237,918.54/82,165.07
  6. Step 6: Final answer
    x = 40,141.61

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1.5x scale

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.