Home / 105,744.40-158,626.68-35,645.20

Finding the Fourth Proportional to 105,744.40, 158,626.68 and 35,645.20

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Solution

The fourth proportional to 105,744.40, 158,626.68 and 35,645.20 is: 53,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,744.40 : 158,626.68 = 35,645.20 : x
  2. Step 2: Convert to fraction form
    105,744.40/158,626.68 = 35,645.20/x
  3. Step 3: Cross multiply
    105,744.40x = 158,626.68 × 35,645.20
  4. Step 4: Simplify right side
    105,744.40x = 5,654,279,733.94
  5. Step 5: Solve for x
    x = 5,654,279,733.94/105,744.40
  6. Step 6: Final answer
    x = 53,471.20

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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.