Home / 50,926.20-76,446.90-30,161.40

Finding the Fourth Proportional to 50,926.20, 76,446.90 and 30,161.40

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Solution

The fourth proportional to 50,926.20, 76,446.90 and 30,161.40 is: 45,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,926.20 : 76,446.90 = 30,161.40 : x
  2. Step 2: Convert to fraction form
    50,926.20/76,446.90 = 30,161.40/x
  3. Step 3: Cross multiply
    50,926.20x = 76,446.90 × 30,161.40
  4. Step 4: Simplify right side
    50,926.20x = 2,305,745,529.66
  5. Step 5: Solve for x
    x = 2,305,745,529.66/50,926.20
  6. Step 6: Final answer
    x = 45,276.21

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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.