Home / 85,396.98-117,847.38-49,595.79

Finding the Fourth Proportional to 85,396.98, 117,847.38 and 49,595.79

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Solution

The fourth proportional to 85,396.98, 117,847.38 and 49,595.79 is: 68,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,396.98 : 117,847.38 = 49,595.79 : x
  2. Step 2: Convert to fraction form
    85,396.98/117,847.38 = 49,595.79/x
  3. Step 3: Cross multiply
    85,396.98x = 117,847.38 × 49,595.79
  4. Step 4: Simplify right side
    85,396.98x = 5,844,733,910.53
  5. Step 5: Solve for x
    x = 5,844,733,910.53/85,396.98
  6. Step 6: Final answer
    x = 68,441.93

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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.