Home / 75,838.20-113,781.60-50,906.40

Finding the Fourth Proportional to 75,838.20, 113,781.60 and 50,906.40

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Solution

The fourth proportional to 75,838.20, 113,781.60 and 50,906.40 is: 76,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,838.20 : 113,781.60 = 50,906.40 : x
  2. Step 2: Convert to fraction form
    75,838.20/113,781.60 = 50,906.40/x
  3. Step 3: Cross multiply
    75,838.20x = 113,781.60 × 50,906.40
  4. Step 4: Simplify right side
    75,838.20x = 5,792,211,642.24
  5. Step 5: Solve for x
    x = 5,792,211,642.24/75,838.20
  6. Step 6: Final answer
    x = 76,375.91

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1.5x scale

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.