Home / 66,231.23-91,401.49-37,942.38

Finding the Fourth Proportional to 66,231.23, 91,401.49 and 37,942.38

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Solution

The fourth proportional to 66,231.23, 91,401.49 and 37,942.38 is: 52,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,231.23 : 91,401.49 = 37,942.38 : x
  2. Step 2: Convert to fraction form
    66,231.23/91,401.49 = 37,942.38/x
  3. Step 3: Cross multiply
    66,231.23x = 91,401.49 × 37,942.38
  4. Step 4: Simplify right side
    66,231.23x = 3,467,989,876.43
  5. Step 5: Solve for x
    x = 3,467,989,876.43/66,231.23
  6. Step 6: Final answer
    x = 52,361.86

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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.