Home / 105,764.33-158,694.92-45,811.14

Finding the Fourth Proportional to 105,764.33, 158,694.92 and 45,811.14

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Solution

The fourth proportional to 105,764.33, 158,694.92 and 45,811.14 is: 68,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,764.33 : 158,694.92 = 45,811.14 : x
  2. Step 2: Convert to fraction form
    105,764.33/158,694.92 = 45,811.14/x
  3. Step 3: Cross multiply
    105,764.33x = 158,694.92 × 45,811.14
  4. Step 4: Simplify right side
    105,764.33x = 7,269,994,968.35
  5. Step 5: Solve for x
    x = 7,269,994,968.35/105,764.33
  6. Step 6: Final answer
    x = 68,737.69

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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.