Home / 50,874.32-70,171.08-49,161.68

Finding the Fourth Proportional to 50,874.32, 70,171.08 and 49,161.68

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Solution

The fourth proportional to 50,874.32, 70,171.08 and 49,161.68 is: 67,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,874.32 : 70,171.08 = 49,161.68 : x
  2. Step 2: Convert to fraction form
    50,874.32/70,171.08 = 49,161.68/x
  3. Step 3: Cross multiply
    50,874.32x = 70,171.08 × 49,161.68
  4. Step 4: Simplify right side
    50,874.32x = 3,449,728,180.21
  5. Step 5: Solve for x
    x = 3,449,728,180.21/50,874.32
  6. Step 6: Final answer
    x = 67,808.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.