Home / 53,727.22-80,196.49-49,768.75

Finding the Fourth Proportional to 53,727.22, 80,196.49 and 49,768.75

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Solution

The fourth proportional to 53,727.22, 80,196.49 and 49,768.75 is: 74,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,727.22 : 80,196.49 = 49,768.75 : x
  2. Step 2: Convert to fraction form
    53,727.22/80,196.49 = 49,768.75/x
  3. Step 3: Cross multiply
    53,727.22x = 80,196.49 × 49,768.75
  4. Step 4: Simplify right side
    53,727.22x = 3,991,278,812.84
  5. Step 5: Solve for x
    x = 3,991,278,812.84/53,727.22
  6. Step 6: Final answer
    x = 74,287.83

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1.5x scale

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.