Home / 53,910.98-80,743.45-47,604.23

Finding the Fourth Proportional to 53,910.98, 80,743.45 and 47,604.23

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Solution

The fourth proportional to 53,910.98, 80,743.45 and 47,604.23 is: 71,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.98 : 80,743.45 = 47,604.23 : x
  2. Step 2: Convert to fraction form
    53,910.98/80,743.45 = 47,604.23/x
  3. Step 3: Cross multiply
    53,910.98x = 80,743.45 × 47,604.23
  4. Step 4: Simplify right side
    53,910.98x = 3,843,729,764.79
  5. Step 5: Solve for x
    x = 3,843,729,764.79/53,910.98
  6. Step 6: Final answer
    x = 71,297.72

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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.