Home / 105,786.82-158,681.26-26,901.05

Finding the Fourth Proportional to 105,786.82, 158,681.26 and 26,901.05

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Solution

The fourth proportional to 105,786.82, 158,681.26 and 26,901.05 is: 40,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,786.82 : 158,681.26 = 26,901.05 : x
  2. Step 2: Convert to fraction form
    105,786.82/158,681.26 = 26,901.05/x
  3. Step 3: Cross multiply
    105,786.82x = 158,681.26 × 26,901.05
  4. Step 4: Simplify right side
    105,786.82x = 4,268,691,581.41
  5. Step 5: Solve for x
    x = 4,268,691,581.41/105,786.82
  6. Step 6: Final answer
    x = 40,351.83

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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.