Home / 62,538.44-86,285.94-40,195.40

Finding the Fourth Proportional to 62,538.44, 86,285.94 and 40,195.40

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Solution

The fourth proportional to 62,538.44, 86,285.94 and 40,195.40 is: 55,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,538.44 : 86,285.94 = 40,195.40 : x
  2. Step 2: Convert to fraction form
    62,538.44/86,285.94 = 40,195.40/x
  3. Step 3: Cross multiply
    62,538.44x = 86,285.94 × 40,195.40
  4. Step 4: Simplify right side
    62,538.44x = 3,468,297,872.68
  5. Step 5: Solve for x
    x = 3,468,297,872.68/62,538.44
  6. Step 6: Final answer
    x = 55,458.66

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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.