Home / 49,119.28-73,682.15-17,976.40

Finding the Fourth Proportional to 49,119.28, 73,682.15 and 17,976.40

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Solution

The fourth proportional to 49,119.28, 73,682.15 and 17,976.40 is: 26,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,119.28 : 73,682.15 = 17,976.40 : x
  2. Step 2: Convert to fraction form
    49,119.28/73,682.15 = 17,976.40/x
  3. Step 3: Cross multiply
    49,119.28x = 73,682.15 × 17,976.40
  4. Step 4: Simplify right side
    49,119.28x = 1,324,539,432.85
  5. Step 5: Solve for x
    x = 1,324,539,432.85/49,119.28
  6. Step 6: Final answer
    x = 26,965.78

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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.