Home / 53,723.62-80,474.69-31,469.53

Finding the Fourth Proportional to 53,723.62, 80,474.69 and 31,469.53

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Solution

The fourth proportional to 53,723.62, 80,474.69 and 31,469.53 is: 47,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.62 : 80,474.69 = 31,469.53 : x
  2. Step 2: Convert to fraction form
    53,723.62/80,474.69 = 31,469.53/x
  3. Step 3: Cross multiply
    53,723.62x = 80,474.69 × 31,469.53
  4. Step 4: Simplify right side
    53,723.62x = 2,532,500,671.20
  5. Step 5: Solve for x
    x = 2,532,500,671.20/53,723.62
  6. Step 6: Final answer
    x = 47,139.43

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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.