Home / 66,333.46-91,540.81-38,033.68

Finding the Fourth Proportional to 66,333.46, 91,540.81 and 38,033.68

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Solution

The fourth proportional to 66,333.46, 91,540.81 and 38,033.68 is: 52,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333.46 : 91,540.81 = 38,033.68 : x
  2. Step 2: Convert to fraction form
    66,333.46/91,540.81 = 38,033.68/x
  3. Step 3: Cross multiply
    66,333.46x = 91,540.81 × 38,033.68
  4. Step 4: Simplify right side
    66,333.46x = 3,481,633,874.48
  5. Step 5: Solve for x
    x = 3,481,633,874.48/66,333.46
  6. Step 6: Final answer
    x = 52,486.84

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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.