Home / 107,909.52-148,913.64-60,162

Finding the Fourth Proportional to 107,909.52, 148,913.64 and 60,162

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Solution

The fourth proportional to 107,909.52, 148,913.64 and 60,162 is: 83,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,909.52 : 148,913.64 = 60,162 : x
  2. Step 2: Convert to fraction form
    107,909.52/148,913.64 = 60,162/x
  3. Step 3: Cross multiply
    107,909.52x = 148,913.64 × 60,162
  4. Step 4: Simplify right side
    107,909.52x = 8,958,942,409.68
  5. Step 5: Solve for x
    x = 8,958,942,409.68/107,909.52
  6. Step 6: Final answer
    x = 83,022.73

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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.