Home / 66,197.82-91,352.30-49,277.73

Finding the Fourth Proportional to 66,197.82, 91,352.30 and 49,277.73

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Solution

The fourth proportional to 66,197.82, 91,352.30 and 49,277.73 is: 68,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,197.82 : 91,352.30 = 49,277.73 : x
  2. Step 2: Convert to fraction form
    66,197.82/91,352.30 = 49,277.73/x
  3. Step 3: Cross multiply
    66,197.82x = 91,352.30 × 49,277.73
  4. Step 4: Simplify right side
    66,197.82x = 4,501,633,974.28
  5. Step 5: Solve for x
    x = 4,501,633,974.28/66,197.82
  6. Step 6: Final answer
    x = 68,002.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.