Home / 107,909.89-148,919.93-60,171.73

Finding the Fourth Proportional to 107,909.89, 148,919.93 and 60,171.73

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Solution

The fourth proportional to 107,909.89, 148,919.93 and 60,171.73 is: 83,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,909.89 : 148,919.93 = 60,171.73 : x
  2. Step 2: Convert to fraction form
    107,909.89/148,919.93 = 60,171.73/x
  3. Step 3: Cross multiply
    107,909.89x = 148,919.93 × 60,171.73
  4. Step 4: Simplify right side
    107,909.89x = 8,960,769,819.58
  5. Step 5: Solve for x
    x = 8,960,769,819.58/107,909.89
  6. Step 6: Final answer
    x = 83,039.37

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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.