Home / 77,740.92-116,628.39-25,149.65

Finding the Fourth Proportional to 77,740.92, 116,628.39 and 25,149.65

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Solution

The fourth proportional to 77,740.92, 116,628.39 and 25,149.65 is: 37,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,740.92 : 116,628.39 = 25,149.65 : x
  2. Step 2: Convert to fraction form
    77,740.92/116,628.39 = 25,149.65/x
  3. Step 3: Cross multiply
    77,740.92x = 116,628.39 × 25,149.65
  4. Step 4: Simplify right side
    77,740.92x = 2,933,162,605.42
  5. Step 5: Solve for x
    x = 2,933,162,605.42/77,740.92
  6. Step 6: Final answer
    x = 37,729.97

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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.