Home / 105,631.93-158,446.39-25,670.49

Finding the Fourth Proportional to 105,631.93, 158,446.39 and 25,670.49

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Solution

The fourth proportional to 105,631.93, 158,446.39 and 25,670.49 is: 38,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,631.93 : 158,446.39 = 25,670.49 : x
  2. Step 2: Convert to fraction form
    105,631.93/158,446.39 = 25,670.49/x
  3. Step 3: Cross multiply
    105,631.93x = 158,446.39 × 25,670.49
  4. Step 4: Simplify right side
    105,631.93x = 4,067,396,470.03
  5. Step 5: Solve for x
    x = 4,067,396,470.03/105,631.93
  6. Step 6: Final answer
    x = 38,505.37

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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.