Home / 105,524.69-158,289.06-38,930.54

Finding the Fourth Proportional to 105,524.69, 158,289.06 and 38,930.54

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Solution

The fourth proportional to 105,524.69, 158,289.06 and 38,930.54 is: 58,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,524.69 : 158,289.06 = 38,930.54 : x
  2. Step 2: Convert to fraction form
    105,524.69/158,289.06 = 38,930.54/x
  3. Step 3: Cross multiply
    105,524.69x = 158,289.06 × 38,930.54
  4. Step 4: Simplify right side
    105,524.69x = 6,162,278,581.89
  5. Step 5: Solve for x
    x = 6,162,278,581.89/105,524.69
  6. Step 6: Final answer
    x = 58,396.56

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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.