Home / 66,517.47-91,796.01-36,304.71

Finding the Fourth Proportional to 66,517.47, 91,796.01 and 36,304.71

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Solution

The fourth proportional to 66,517.47, 91,796.01 and 36,304.71 is: 50,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.47 : 91,796.01 = 36,304.71 : x
  2. Step 2: Convert to fraction form
    66,517.47/91,796.01 = 36,304.71/x
  3. Step 3: Cross multiply
    66,517.47x = 91,796.01 × 36,304.71
  4. Step 4: Simplify right side
    66,517.47x = 3,332,627,522.21
  5. Step 5: Solve for x
    x = 3,332,627,522.21/66,517.47
  6. Step 6: Final answer
    x = 50,101.54

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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.