Home / 50,724.52-76,086.86-13,788.52

Finding the Fourth Proportional to 50,724.52, 76,086.86 and 13,788.52

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Solution

The fourth proportional to 50,724.52, 76,086.86 and 13,788.52 is: 20,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,724.52 : 76,086.86 = 13,788.52 : x
  2. Step 2: Convert to fraction form
    50,724.52/76,086.86 = 13,788.52/x
  3. Step 3: Cross multiply
    50,724.52x = 76,086.86 × 13,788.52
  4. Step 4: Simplify right side
    50,724.52x = 1,049,125,190.85
  5. Step 5: Solve for x
    x = 1,049,125,190.85/50,724.52
  6. Step 6: Final answer
    x = 20,682.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.