Home / 85,620.33-118,179.81-49,817.27

Finding the Fourth Proportional to 85,620.33, 118,179.81 and 49,817.27

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Solution

The fourth proportional to 85,620.33, 118,179.81 and 49,817.27 is: 68,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,620.33 : 118,179.81 = 49,817.27 : x
  2. Step 2: Convert to fraction form
    85,620.33/118,179.81 = 49,817.27/x
  3. Step 3: Cross multiply
    85,620.33x = 118,179.81 × 49,817.27
  4. Step 4: Simplify right side
    85,620.33x = 5,887,394,912.42
  5. Step 5: Solve for x
    x = 5,887,394,912.42/85,620.33
  6. Step 6: Final answer
    x = 68,761.65

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1.5x scale

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.