Home / 66,163.22-91,304.12-35,949

Finding the Fourth Proportional to 66,163.22, 91,304.12 and 35,949

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Solution

The fourth proportional to 66,163.22, 91,304.12 and 35,949 is: 49,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,163.22 : 91,304.12 = 35,949 : x
  2. Step 2: Convert to fraction form
    66,163.22/91,304.12 = 35,949/x
  3. Step 3: Cross multiply
    66,163.22x = 91,304.12 × 35,949
  4. Step 4: Simplify right side
    66,163.22x = 3,282,291,809.88
  5. Step 5: Solve for x
    x = 3,282,291,809.88/66,163.22
  6. Step 6: Final answer
    x = 49,609.01

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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.