Home / 66,065.46-91,169.88-35,850.02

Finding the Fourth Proportional to 66,065.46, 91,169.88 and 35,850.02

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Solution

The fourth proportional to 66,065.46, 91,169.88 and 35,850.02 is: 49,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065.46 : 91,169.88 = 35,850.02 : x
  2. Step 2: Convert to fraction form
    66,065.46/91,169.88 = 35,850.02/x
  3. Step 3: Cross multiply
    66,065.46x = 91,169.88 × 35,850.02
  4. Step 4: Simplify right side
    66,065.46x = 3,268,442,021.40
  5. Step 5: Solve for x
    x = 3,268,442,021.40/66,065.46
  6. Step 6: Final answer
    x = 49,472.78

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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.