Home / 66,186.71-91,338.26-35,972.11

Finding the Fourth Proportional to 66,186.71, 91,338.26 and 35,972.11

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Solution

The fourth proportional to 66,186.71, 91,338.26 and 35,972.11 is: 49,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,186.71 : 91,338.26 = 35,972.11 : x
  2. Step 2: Convert to fraction form
    66,186.71/91,338.26 = 35,972.11/x
  3. Step 3: Cross multiply
    66,186.71x = 91,338.26 × 35,972.11
  4. Step 4: Simplify right side
    66,186.71x = 3,285,629,745.61
  5. Step 5: Solve for x
    x = 3,285,629,745.61/66,186.71
  6. Step 6: Final answer
    x = 49,641.83

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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.