Home / 105,524.94-158,289.44-38,930.79

Finding the Fourth Proportional to 105,524.94, 158,289.44 and 38,930.79

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Solution

The fourth proportional to 105,524.94, 158,289.44 and 38,930.79 is: 58,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,524.94 : 158,289.44 = 38,930.79 : x
  2. Step 2: Convert to fraction form
    105,524.94/158,289.44 = 38,930.79/x
  3. Step 3: Cross multiply
    105,524.94x = 158,289.44 × 38,930.79
  4. Step 4: Simplify right side
    105,524.94x = 6,162,332,947.86
  5. Step 5: Solve for x
    x = 6,162,332,947.86/105,524.94
  6. Step 6: Final answer
    x = 58,396.93

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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.