Home / 105,811.04-158,721.92-34,727.36

Finding the Fourth Proportional to 105,811.04, 158,721.92 and 34,727.36

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Solution

The fourth proportional to 105,811.04, 158,721.92 and 34,727.36 is: 52,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,811.04 : 158,721.92 = 34,727.36 : x
  2. Step 2: Convert to fraction form
    105,811.04/158,721.92 = 34,727.36/x
  3. Step 3: Cross multiply
    105,811.04x = 158,721.92 × 34,727.36
  4. Step 4: Simplify right side
    105,811.04x = 5,511,993,255.73
  5. Step 5: Solve for x
    x = 5,511,993,255.73/105,811.04
  6. Step 6: Final answer
    x = 52,092.80

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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.