Home / 105,975.18-158,964.39-27,087.66

Finding the Fourth Proportional to 105,975.18, 158,964.39 and 27,087.66

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Solution

The fourth proportional to 105,975.18, 158,964.39 and 27,087.66 is: 40,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,975.18 : 158,964.39 = 27,087.66 : x
  2. Step 2: Convert to fraction form
    105,975.18/158,964.39 = 27,087.66/x
  3. Step 3: Cross multiply
    105,975.18x = 158,964.39 × 27,087.66
  4. Step 4: Simplify right side
    105,975.18x = 4,305,973,348.43
  5. Step 5: Solve for x
    x = 4,305,973,348.43/105,975.18
  6. Step 6: Final answer
    x = 40,631.90

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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.