Home / 55,067.30-82,604.08-15,621.32

Finding the Fourth Proportional to 55,067.30, 82,604.08 and 15,621.32

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Solution

The fourth proportional to 55,067.30, 82,604.08 and 15,621.32 is: 23,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,067.30 : 82,604.08 = 15,621.32 : x
  2. Step 2: Convert to fraction form
    55,067.30/82,604.08 = 15,621.32/x
  3. Step 3: Cross multiply
    55,067.30x = 82,604.08 × 15,621.32
  4. Step 4: Simplify right side
    55,067.30x = 1,290,384,766.99
  5. Step 5: Solve for x
    x = 1,290,384,766.99/55,067.30
  6. Step 6: Final answer
    x = 23,432.87

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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.