Home / 66,414.02-91,648.68-36,198.70

Finding the Fourth Proportional to 66,414.02, 91,648.68 and 36,198.70

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Solution

The fourth proportional to 66,414.02, 91,648.68 and 36,198.70 is: 49,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414.02 : 91,648.68 = 36,198.70 : x
  2. Step 2: Convert to fraction form
    66,414.02/91,648.68 = 36,198.70/x
  3. Step 3: Cross multiply
    66,414.02x = 91,648.68 × 36,198.70
  4. Step 4: Simplify right side
    66,414.02x = 3,317,563,072.72
  5. Step 5: Solve for x
    x = 3,317,563,072.72/66,414.02
  6. Step 6: Final answer
    x = 49,952.75

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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.