Home / 113,084.20-169,626.30-71,093.80

Finding the Fourth Proportional to 113,084.20, 169,626.30 and 71,093.80

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Solution

The fourth proportional to 113,084.20, 169,626.30 and 71,093.80 is: 106,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,084.20 : 169,626.30 = 71,093.80 : x
  2. Step 2: Convert to fraction form
    113,084.20/169,626.30 = 71,093.80/x
  3. Step 3: Cross multiply
    113,084.20x = 169,626.30 × 71,093.80
  4. Step 4: Simplify right side
    113,084.20x = 12,059,378,246.94
  5. Step 5: Solve for x
    x = 12,059,378,246.94/113,084.20
  6. Step 6: Final answer
    x = 106,640.70

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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.