Home / 105,517.10-158,201.82-52,897.88

Finding the Fourth Proportional to 105,517.10, 158,201.82 and 52,897.88

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Solution

The fourth proportional to 105,517.10, 158,201.82 and 52,897.88 is: 79,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,517.10 : 158,201.82 = 52,897.88 : x
  2. Step 2: Convert to fraction form
    105,517.10/158,201.82 = 52,897.88/x
  3. Step 3: Cross multiply
    105,517.10x = 158,201.82 × 52,897.88
  4. Step 4: Simplify right side
    105,517.10x = 8,368,540,890.14
  5. Step 5: Solve for x
    x = 8,368,540,890.14/105,517.10
  6. Step 6: Final answer
    x = 79,309.81

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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.