Home / 68,299.80-94,252.62-39,999.48

Finding the Fourth Proportional to 68,299.80, 94,252.62 and 39,999.48

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Solution

The fourth proportional to 68,299.80, 94,252.62 and 39,999.48 is: 55,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,299.80 : 94,252.62 = 39,999.48 : x
  2. Step 2: Convert to fraction form
    68,299.80/94,252.62 = 39,999.48/x
  3. Step 3: Cross multiply
    68,299.80x = 94,252.62 × 39,999.48
  4. Step 4: Simplify right side
    68,299.80x = 3,770,055,788.64
  5. Step 5: Solve for x
    x = 3,770,055,788.64/68,299.80
  6. Step 6: Final answer
    x = 55,198.64

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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.