Home / 77,743.20-116,585.52-25,138.56

Finding the Fourth Proportional to 77,743.20, 116,585.52 and 25,138.56

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Solution

The fourth proportional to 77,743.20, 116,585.52 and 25,138.56 is: 37,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743.20 : 116,585.52 = 25,138.56 : x
  2. Step 2: Convert to fraction form
    77,743.20/116,585.52 = 25,138.56/x
  3. Step 3: Cross multiply
    77,743.20x = 116,585.52 × 25,138.56
  4. Step 4: Simplify right side
    77,743.20x = 2,930,792,089.65
  5. Step 5: Solve for x
    x = 2,930,792,089.65/77,743.20
  6. Step 6: Final answer
    x = 37,698.37

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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.