Home / 109,652.10-164,516.55-47,367.30

Finding the Fourth Proportional to 109,652.10, 164,516.55 and 47,367.30

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Solution

The fourth proportional to 109,652.10, 164,516.55 and 47,367.30 is: 71,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,652.10 : 164,516.55 = 47,367.30 : x
  2. Step 2: Convert to fraction form
    109,652.10/164,516.55 = 47,367.30/x
  3. Step 3: Cross multiply
    109,652.10x = 164,516.55 × 47,367.30
  4. Step 4: Simplify right side
    109,652.10x = 7,792,704,778.82
  5. Step 5: Solve for x
    x = 7,792,704,778.82/109,652.10
  6. Step 6: Final answer
    x = 71,067.54

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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.