Home / 104,426.39-156,654.17-51,821.75

Finding the Fourth Proportional to 104,426.39, 156,654.17 and 51,821.75

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Solution

The fourth proportional to 104,426.39, 156,654.17 and 51,821.75 is: 77,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.39 : 156,654.17 = 51,821.75 : x
  2. Step 2: Convert to fraction form
    104,426.39/156,654.17 = 51,821.75/x
  3. Step 3: Cross multiply
    104,426.39x = 156,654.17 × 51,821.75
  4. Step 4: Simplify right side
    104,426.39x = 8,118,093,234.20
  5. Step 5: Solve for x
    x = 8,118,093,234.20/104,426.39
  6. Step 6: Final answer
    x = 77,739.86

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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.