Home / 71,379.48-106,997.92-47,706.96

Finding the Fourth Proportional to 71,379.48, 106,997.92 and 47,706.96

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Solution

The fourth proportional to 71,379.48, 106,997.92 and 47,706.96 is: 71,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,379.48 : 106,997.92 = 47,706.96 : x
  2. Step 2: Convert to fraction form
    71,379.48/106,997.92 = 47,706.96/x
  3. Step 3: Cross multiply
    71,379.48x = 106,997.92 × 47,706.96
  4. Step 4: Simplify right side
    71,379.48x = 5,104,545,489.52
  5. Step 5: Solve for x
    x = 5,104,545,489.52/71,379.48
  6. Step 6: Final answer
    x = 71,512.79

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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.