Home / 50,975.42-76,376.84-31,212.72

Finding the Fourth Proportional to 50,975.42, 76,376.84 and 31,212.72

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Solution

The fourth proportional to 50,975.42, 76,376.84 and 31,212.72 is: 46,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,975.42 : 76,376.84 = 31,212.72 : x
  2. Step 2: Convert to fraction form
    50,975.42/76,376.84 = 31,212.72/x
  3. Step 3: Cross multiply
    50,975.42x = 76,376.84 × 31,212.72
  4. Step 4: Simplify right side
    50,975.42x = 2,383,928,921.40
  5. Step 5: Solve for x
    x = 2,383,928,921.40/50,975.42
  6. Step 6: Final answer
    x = 46,766.24

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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.