Home / 66,121.75-91,310.29-46,033.56

Finding the Fourth Proportional to 66,121.75, 91,310.29 and 46,033.56

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Solution

The fourth proportional to 66,121.75, 91,310.29 and 46,033.56 is: 63,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,121.75 : 91,310.29 = 46,033.56 : x
  2. Step 2: Convert to fraction form
    66,121.75/91,310.29 = 46,033.56/x
  3. Step 3: Cross multiply
    66,121.75x = 91,310.29 × 46,033.56
  4. Step 4: Simplify right side
    66,121.75x = 4,203,337,255.83
  5. Step 5: Solve for x
    x = 4,203,337,255.83/66,121.75
  6. Step 6: Final answer
    x = 63,569.66

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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.