Home / 57,986.99-79,422.46-54,582.56

Finding the Fourth Proportional to 57,986.99, 79,422.46 and 54,582.56

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Solution

The fourth proportional to 57,986.99, 79,422.46 and 54,582.56 is: 74,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.99 : 79,422.46 = 54,582.56 : x
  2. Step 2: Convert to fraction form
    57,986.99/79,422.46 = 54,582.56/x
  3. Step 3: Cross multiply
    57,986.99x = 79,422.46 × 54,582.56
  4. Step 4: Simplify right side
    57,986.99x = 4,335,081,188.30
  5. Step 5: Solve for x
    x = 4,335,081,188.30/57,986.99
  6. Step 6: Final answer
    x = 74,759.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.