Home / 54,955.08-82,438.04-15,512.54

Finding the Fourth Proportional to 54,955.08, 82,438.04 and 15,512.54

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Solution

The fourth proportional to 54,955.08, 82,438.04 and 15,512.54 is: 23,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955.08 : 82,438.04 = 15,512.54 : x
  2. Step 2: Convert to fraction form
    54,955.08/82,438.04 = 15,512.54/x
  3. Step 3: Cross multiply
    54,955.08x = 82,438.04 × 15,512.54
  4. Step 4: Simplify right side
    54,955.08x = 1,278,823,393.02
  5. Step 5: Solve for x
    x = 1,278,823,393.02/54,955.08
  6. Step 6: Final answer
    x = 23,270.34

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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.