Home / 105,626.35-158,406.45-35,489.26

Finding the Fourth Proportional to 105,626.35, 158,406.45 and 35,489.26

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Solution

The fourth proportional to 105,626.35, 158,406.45 and 35,489.26 is: 53,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,626.35 : 158,406.45 = 35,489.26 : x
  2. Step 2: Convert to fraction form
    105,626.35/158,406.45 = 35,489.26/x
  3. Step 3: Cross multiply
    105,626.35x = 158,406.45 × 35,489.26
  4. Step 4: Simplify right side
    105,626.35x = 5,621,727,689.73
  5. Step 5: Solve for x
    x = 5,621,727,689.73/105,626.35
  6. Step 6: Final answer
    x = 53,222.78

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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.