Home / 49,821.08-68,739.18-28,592.60

Finding the Fourth Proportional to 49,821.08, 68,739.18 and 28,592.60

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Solution

The fourth proportional to 49,821.08, 68,739.18 and 28,592.60 is: 39,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.08 : 68,739.18 = 28,592.60 : x
  2. Step 2: Convert to fraction form
    49,821.08/68,739.18 = 28,592.60/x
  3. Step 3: Cross multiply
    49,821.08x = 68,739.18 × 28,592.60
  4. Step 4: Simplify right side
    49,821.08x = 1,965,431,878.07
  5. Step 5: Solve for x
    x = 1,965,431,878.07/49,821.08
  6. Step 6: Final answer
    x = 39,449.80

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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.