Home / 105,441.76-158,164.46-38,847.61

Finding the Fourth Proportional to 105,441.76, 158,164.46 and 38,847.61

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Solution

The fourth proportional to 105,441.76, 158,164.46 and 38,847.61 is: 58,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,441.76 : 158,164.46 = 38,847.61 : x
  2. Step 2: Convert to fraction form
    105,441.76/158,164.46 = 38,847.61/x
  3. Step 3: Cross multiply
    105,441.76x = 158,164.46 × 38,847.61
  4. Step 4: Simplify right side
    105,441.76x = 6,144,311,257.94
  5. Step 5: Solve for x
    x = 6,144,311,257.94/105,441.76
  6. Step 6: Final answer
    x = 58,272.09

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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.