Home / 50,512.42-75,660.09-40,981.96

Finding the Fourth Proportional to 50,512.42, 75,660.09 and 40,981.96

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Solution

The fourth proportional to 50,512.42, 75,660.09 and 40,981.96 is: 61,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,512.42 : 75,660.09 = 40,981.96 : x
  2. Step 2: Convert to fraction form
    50,512.42/75,660.09 = 40,981.96/x
  3. Step 3: Cross multiply
    50,512.42x = 75,660.09 × 40,981.96
  4. Step 4: Simplify right side
    50,512.42x = 3,100,698,781.98
  5. Step 5: Solve for x
    x = 3,100,698,781.98/50,512.42
  6. Step 6: Final answer
    x = 61,384.88

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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.