Home / 66,183.17-91,334.96-38,954.33

Finding the Fourth Proportional to 66,183.17, 91,334.96 and 38,954.33

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Solution

The fourth proportional to 66,183.17, 91,334.96 and 38,954.33 is: 53,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,183.17 : 91,334.96 = 38,954.33 : x
  2. Step 2: Convert to fraction form
    66,183.17/91,334.96 = 38,954.33/x
  3. Step 3: Cross multiply
    66,183.17x = 91,334.96 × 38,954.33
  4. Step 4: Simplify right side
    66,183.17x = 3,557,891,520.93
  5. Step 5: Solve for x
    x = 3,557,891,520.93/66,183.17
  6. Step 6: Final answer
    x = 53,758.26

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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.