Home / 85,197.68-117,573.28-49,408.94

Finding the Fourth Proportional to 85,197.68, 117,573.28 and 49,408.94

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Solution

The fourth proportional to 85,197.68, 117,573.28 and 49,408.94 is: 68,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,197.68 : 117,573.28 = 49,408.94 : x
  2. Step 2: Convert to fraction form
    85,197.68/117,573.28 = 49,408.94/x
  3. Step 3: Cross multiply
    85,197.68x = 117,573.28 × 49,408.94
  4. Step 4: Simplify right side
    85,197.68x = 5,809,171,137.12
  5. Step 5: Solve for x
    x = 5,809,171,137.12/85,197.68
  6. Step 6: Final answer
    x = 68,184.62

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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.