Home / 81,008.38-111,791.41-45,196.26

Finding the Fourth Proportional to 81,008.38, 111,791.41 and 45,196.26

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Solution

The fourth proportional to 81,008.38, 111,791.41 and 45,196.26 is: 62,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,008.38 : 111,791.41 = 45,196.26 : x
  2. Step 2: Convert to fraction form
    81,008.38/111,791.41 = 45,196.26/x
  3. Step 3: Cross multiply
    81,008.38x = 111,791.41 × 45,196.26
  4. Step 4: Simplify right side
    81,008.38x = 5,052,553,632.13
  5. Step 5: Solve for x
    x = 5,052,553,632.13/81,008.38
  6. Step 6: Final answer
    x = 62,370.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.