Home / 66,147.42-91,280.82-35,932.14

Finding the Fourth Proportional to 66,147.42, 91,280.82 and 35,932.14

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Solution

The fourth proportional to 66,147.42, 91,280.82 and 35,932.14 is: 49,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,147.42 : 91,280.82 = 35,932.14 : x
  2. Step 2: Convert to fraction form
    66,147.42/91,280.82 = 35,932.14/x
  3. Step 3: Cross multiply
    66,147.42x = 91,280.82 × 35,932.14
  4. Step 4: Simplify right side
    66,147.42x = 3,279,915,203.55
  5. Step 5: Solve for x
    x = 3,279,915,203.55/66,147.42
  6. Step 6: Final answer
    x = 49,584.93

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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.