Home / 50,943.72-76,387.14-40,480.68

Finding the Fourth Proportional to 50,943.72, 76,387.14 and 40,480.68

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Solution

The fourth proportional to 50,943.72, 76,387.14 and 40,480.68 is: 60,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,943.72 : 76,387.14 = 40,480.68 : x
  2. Step 2: Convert to fraction form
    50,943.72/76,387.14 = 40,480.68/x
  3. Step 3: Cross multiply
    50,943.72x = 76,387.14 × 40,480.68
  4. Step 4: Simplify right side
    50,943.72x = 3,092,203,370.46
  5. Step 5: Solve for x
    x = 3,092,203,370.46/50,943.72
  6. Step 6: Final answer
    x = 60,698.42

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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.