Home / 53,735.97-80,209.53-49,777.50

Finding the Fourth Proportional to 53,735.97, 80,209.53 and 49,777.50

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Solution

The fourth proportional to 53,735.97, 80,209.53 and 49,777.50 is: 74,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,735.97 : 80,209.53 = 49,777.50 : x
  2. Step 2: Convert to fraction form
    53,735.97/80,209.53 = 49,777.50/x
  3. Step 3: Cross multiply
    53,735.97x = 80,209.53 × 49,777.50
  4. Step 4: Simplify right side
    53,735.97x = 3,992,629,879.58
  5. Step 5: Solve for x
    x = 3,992,629,879.58/53,735.97
  6. Step 6: Final answer
    x = 74,300.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.