Home / 55,093.72-82,648.06-20,043.40

Finding the Fourth Proportional to 55,093.72, 82,648.06 and 20,043.40

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Solution

The fourth proportional to 55,093.72, 82,648.06 and 20,043.40 is: 30,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,093.72 : 82,648.06 = 20,043.40 : x
  2. Step 2: Convert to fraction form
    55,093.72/82,648.06 = 20,043.40/x
  3. Step 3: Cross multiply
    55,093.72x = 82,648.06 × 20,043.40
  4. Step 4: Simplify right side
    55,093.72x = 1,656,548,125.80
  5. Step 5: Solve for x
    x = 1,656,548,125.80/55,093.72
  6. Step 6: Final answer
    x = 30,067.82

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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.