Home / 54,724.32-82,086.50-13,171.32

Finding the Fourth Proportional to 54,724.32, 82,086.50 and 13,171.32

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Solution

The fourth proportional to 54,724.32, 82,086.50 and 13,171.32 is: 19,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.32 : 82,086.50 = 13,171.32 : x
  2. Step 2: Convert to fraction form
    54,724.32/82,086.50 = 13,171.32/x
  3. Step 3: Cross multiply
    54,724.32x = 82,086.50 × 13,171.32
  4. Step 4: Simplify right side
    54,724.32x = 1,081,187,559.18
  5. Step 5: Solve for x
    x = 1,081,187,559.18/54,724.32
  6. Step 6: Final answer
    x = 19,756.98

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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.