Home / 49,855.96-68,801.26-28,636.60

Finding the Fourth Proportional to 49,855.96, 68,801.26 and 28,636.60

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Solution

The fourth proportional to 49,855.96, 68,801.26 and 28,636.60 is: 39,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.96 : 68,801.26 = 28,636.60 : x
  2. Step 2: Convert to fraction form
    49,855.96/68,801.26 = 28,636.60/x
  3. Step 3: Cross multiply
    49,855.96x = 68,801.26 × 28,636.60
  4. Step 4: Simplify right side
    49,855.96x = 1,970,234,162.12
  5. Step 5: Solve for x
    x = 1,970,234,162.12/49,855.96
  6. Step 6: Final answer
    x = 39,518.53

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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.