Home / 54,770.22-82,142.78-15,331.32

Finding the Fourth Proportional to 54,770.22, 82,142.78 and 15,331.32

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Solution

The fourth proportional to 54,770.22, 82,142.78 and 15,331.32 is: 22,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,770.22 : 82,142.78 = 15,331.32 : x
  2. Step 2: Convert to fraction form
    54,770.22/82,142.78 = 15,331.32/x
  3. Step 3: Cross multiply
    54,770.22x = 82,142.78 × 15,331.32
  4. Step 4: Simplify right side
    54,770.22x = 1,259,357,169.21
  5. Step 5: Solve for x
    x = 1,259,357,169.21/54,770.22
  6. Step 6: Final answer
    x = 22,993.47

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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.