Home / 50,039.82-68,975.55-39,412.62

Finding the Fourth Proportional to 50,039.82, 68,975.55 and 39,412.62

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Solution

The fourth proportional to 50,039.82, 68,975.55 and 39,412.62 is: 54,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,039.82 : 68,975.55 = 39,412.62 : x
  2. Step 2: Convert to fraction form
    50,039.82/68,975.55 = 39,412.62/x
  3. Step 3: Cross multiply
    50,039.82x = 68,975.55 × 39,412.62
  4. Step 4: Simplify right side
    50,039.82x = 2,718,507,141.44
  5. Step 5: Solve for x
    x = 2,718,507,141.44/50,039.82
  6. Step 6: Final answer
    x = 54,326.88

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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.