Home / 71,234.37-106,822.35-31,764.51

Finding the Fourth Proportional to 71,234.37, 106,822.35 and 31,764.51

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Solution

The fourth proportional to 71,234.37, 106,822.35 and 31,764.51 is: 47,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,234.37 : 106,822.35 = 31,764.51 : x
  2. Step 2: Convert to fraction form
    71,234.37/106,822.35 = 31,764.51/x
  3. Step 3: Cross multiply
    71,234.37x = 106,822.35 × 31,764.51
  4. Step 4: Simplify right side
    71,234.37x = 3,393,159,604.80
  5. Step 5: Solve for x
    x = 3,393,159,604.80/71,234.37
  6. Step 6: Final answer
    x = 47,633.74

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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.