Home / 66,880.85-92,297.33-37,806.90

Finding the Fourth Proportional to 66,880.85, 92,297.33 and 37,806.90

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Solution

The fourth proportional to 66,880.85, 92,297.33 and 37,806.90 is: 52,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880.85 : 92,297.33 = 37,806.90 : x
  2. Step 2: Convert to fraction form
    66,880.85/92,297.33 = 37,806.90/x
  3. Step 3: Cross multiply
    66,880.85x = 92,297.33 × 37,806.90
  4. Step 4: Simplify right side
    66,880.85x = 3,489,475,736.54
  5. Step 5: Solve for x
    x = 3,489,475,736.54/66,880.85
  6. Step 6: Final answer
    x = 52,174.52

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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.