Home / 53,723.12-80,473.94-31,469.03

Finding the Fourth Proportional to 53,723.12, 80,473.94 and 31,469.03

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Solution

The fourth proportional to 53,723.12, 80,473.94 and 31,469.03 is: 47,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.12 : 80,473.94 = 31,469.03 : x
  2. Step 2: Convert to fraction form
    53,723.12/80,473.94 = 31,469.03/x
  3. Step 3: Cross multiply
    53,723.12x = 80,473.94 × 31,469.03
  4. Step 4: Simplify right side
    53,723.12x = 2,532,436,753.41
  5. Step 5: Solve for x
    x = 2,532,436,753.41/53,723.12
  6. Step 6: Final answer
    x = 47,138.67

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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.