Home / 50,750.72-76,213.20-31,144.40

Finding the Fourth Proportional to 50,750.72, 76,213.20 and 31,144.40

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Solution

The fourth proportional to 50,750.72, 76,213.20 and 31,144.40 is: 46,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,750.72 : 76,213.20 = 31,144.40 : x
  2. Step 2: Convert to fraction form
    50,750.72/76,213.20 = 31,144.40/x
  3. Step 3: Cross multiply
    50,750.72x = 76,213.20 × 31,144.40
  4. Step 4: Simplify right side
    50,750.72x = 2,373,614,386.08
  5. Step 5: Solve for x
    x = 2,373,614,386.08/50,750.72
  6. Step 6: Final answer
    x = 46,770.06

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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.