Home / 74,238.26-102,448.82-40,246.73

Finding the Fourth Proportional to 74,238.26, 102,448.82 and 40,246.73

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Solution

The fourth proportional to 74,238.26, 102,448.82 and 40,246.73 is: 55,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,238.26 : 102,448.82 = 40,246.73 : x
  2. Step 2: Convert to fraction form
    74,238.26/102,448.82 = 40,246.73/x
  3. Step 3: Cross multiply
    74,238.26x = 102,448.82 × 40,246.73
  4. Step 4: Simplify right side
    74,238.26x = 4,123,229,796.12
  5. Step 5: Solve for x
    x = 4,123,229,796.12/74,238.26
  6. Step 6: Final answer
    x = 55,540.50

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Double scale
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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.