Home / 54,458.32-81,693.16-15,015.44

Finding the Fourth Proportional to 54,458.32, 81,693.16 and 15,015.44

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Solution

The fourth proportional to 54,458.32, 81,693.16 and 15,015.44 is: 22,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458.32 : 81,693.16 = 15,015.44 : x
  2. Step 2: Convert to fraction form
    54,458.32/81,693.16 = 15,015.44/x
  3. Step 3: Cross multiply
    54,458.32x = 81,693.16 × 15,015.44
  4. Step 4: Simplify right side
    54,458.32x = 1,226,658,742.39
  5. Step 5: Solve for x
    x = 1,226,658,742.39/54,458.32
  6. Step 6: Final answer
    x = 22,524.73

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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.