Home / 107,911.20-148,910.48-60,161.70

Finding the Fourth Proportional to 107,911.20, 148,910.48 and 60,161.70

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Solution

The fourth proportional to 107,911.20, 148,910.48 and 60,161.70 is: 83,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.20 : 148,910.48 = 60,161.70 : x
  2. Step 2: Convert to fraction form
    107,911.20/148,910.48 = 60,161.70/x
  3. Step 3: Cross multiply
    107,911.20x = 148,910.48 × 60,161.70
  4. Step 4: Simplify right side
    107,911.20x = 8,958,707,624.62
  5. Step 5: Solve for x
    x = 8,958,707,624.62/107,911.20
  6. Step 6: Final answer
    x = 83,019.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.