Home / 61,766.44-85,192.68-39,109.12

Finding the Fourth Proportional to 61,766.44, 85,192.68 and 39,109.12

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Solution

The fourth proportional to 61,766.44, 85,192.68 and 39,109.12 is: 53,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.44 : 85,192.68 = 39,109.12 : x
  2. Step 2: Convert to fraction form
    61,766.44/85,192.68 = 39,109.12/x
  3. Step 3: Cross multiply
    61,766.44x = 85,192.68 × 39,109.12
  4. Step 4: Simplify right side
    61,766.44x = 3,331,810,745.24
  5. Step 5: Solve for x
    x = 3,331,810,745.24/61,766.44
  6. Step 6: Final answer
    x = 53,942.09

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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.