Home / 105,614.98-158,370.62-52,245.30

Finding the Fourth Proportional to 105,614.98, 158,370.62 and 52,245.30

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Solution

The fourth proportional to 105,614.98, 158,370.62 and 52,245.30 is: 78,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,614.98 : 158,370.62 = 52,245.30 : x
  2. Step 2: Convert to fraction form
    105,614.98/158,370.62 = 52,245.30/x
  3. Step 3: Cross multiply
    105,614.98x = 158,370.62 × 52,245.30
  4. Step 4: Simplify right side
    105,614.98x = 8,274,120,553.09
  5. Step 5: Solve for x
    x = 8,274,120,553.09/105,614.98
  6. Step 6: Final answer
    x = 78,342.30

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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.