Home / 45,147.33-67,727.48-13,975.29

Finding the Fourth Proportional to 45,147.33, 67,727.48 and 13,975.29

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Solution

The fourth proportional to 45,147.33, 67,727.48 and 13,975.29 is: 20,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,147.33 : 67,727.48 = 13,975.29 : x
  2. Step 2: Convert to fraction form
    45,147.33/67,727.48 = 13,975.29/x
  3. Step 3: Cross multiply
    45,147.33x = 67,727.48 × 13,975.29
  4. Step 4: Simplify right side
    45,147.33x = 946,511,104.09
  5. Step 5: Solve for x
    x = 946,511,104.09/45,147.33
  6. Step 6: Final answer
    x = 20,964.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.