Home / 45,216.93-67,824.37-11,939.33

Finding the Fourth Proportional to 45,216.93, 67,824.37 and 11,939.33

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Solution

The fourth proportional to 45,216.93, 67,824.37 and 11,939.33 is: 17,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,216.93 : 67,824.37 = 11,939.33 : x
  2. Step 2: Convert to fraction form
    45,216.93/67,824.37 = 11,939.33/x
  3. Step 3: Cross multiply
    45,216.93x = 67,824.37 × 11,939.33
  4. Step 4: Simplify right side
    45,216.93x = 809,777,719.96
  5. Step 5: Solve for x
    x = 809,777,719.96/45,216.93
  6. Step 6: Final answer
    x = 17,908.73

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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.