Home / 47,840.80-71,677.68-31,174.24

Finding the Fourth Proportional to 47,840.80, 71,677.68 and 31,174.24

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Solution

The fourth proportional to 47,840.80, 71,677.68 and 31,174.24 is: 46,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840.80 : 71,677.68 = 31,174.24 : x
  2. Step 2: Convert to fraction form
    47,840.80/71,677.68 = 31,174.24/x
  3. Step 3: Cross multiply
    47,840.80x = 71,677.68 × 31,174.24
  4. Step 4: Simplify right side
    47,840.80x = 2,234,497,198.96
  5. Step 5: Solve for x
    x = 2,234,497,198.96/47,840.80
  6. Step 6: Final answer
    x = 46,706.94

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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.