Home / 82,766.56-114,351.68-57,727.84

Finding the Fourth Proportional to 82,766.56, 114,351.68 and 57,727.84

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Solution

The fourth proportional to 82,766.56, 114,351.68 and 57,727.84 is: 79,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,766.56 : 114,351.68 = 57,727.84 : x
  2. Step 2: Convert to fraction form
    82,766.56/114,351.68 = 57,727.84/x
  3. Step 3: Cross multiply
    82,766.56x = 114,351.68 × 57,727.84
  4. Step 4: Simplify right side
    82,766.56x = 6,601,275,486.77
  5. Step 5: Solve for x
    x = 6,601,275,486.77/82,766.56
  6. Step 6: Final answer
    x = 79,757.76

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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.