Home / 55,759.73-76,842.09-54,734.81

Finding the Fourth Proportional to 55,759.73, 76,842.09 and 54,734.81

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Solution

The fourth proportional to 55,759.73, 76,842.09 and 54,734.81 is: 75,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,759.73 : 76,842.09 = 54,734.81 : x
  2. Step 2: Convert to fraction form
    55,759.73/76,842.09 = 54,734.81/x
  3. Step 3: Cross multiply
    55,759.73x = 76,842.09 × 54,734.81
  4. Step 4: Simplify right side
    55,759.73x = 4,205,936,811.94
  5. Step 5: Solve for x
    x = 4,205,936,811.94/55,759.73
  6. Step 6: Final answer
    x = 75,429.65

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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.