Home / 84,616.46-126,791.19-31,234.98

Finding the Fourth Proportional to 84,616.46, 126,791.19 and 31,234.98

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Solution

The fourth proportional to 84,616.46, 126,791.19 and 31,234.98 is: 46,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,616.46 : 126,791.19 = 31,234.98 : x
  2. Step 2: Convert to fraction form
    84,616.46/126,791.19 = 31,234.98/x
  3. Step 3: Cross multiply
    84,616.46x = 126,791.19 × 31,234.98
  4. Step 4: Simplify right side
    84,616.46x = 3,960,320,759.29
  5. Step 5: Solve for x
    x = 3,960,320,759.29/84,616.46
  6. Step 6: Final answer
    x = 46,803.20

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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.