Home / 46,439.12-69,658.68-11,378.47

Finding the Fourth Proportional to 46,439.12, 69,658.68 and 11,378.47

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Solution

The fourth proportional to 46,439.12, 69,658.68 and 11,378.47 is: 17,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439.12 : 69,658.68 = 11,378.47 : x
  2. Step 2: Convert to fraction form
    46,439.12/69,658.68 = 11,378.47/x
  3. Step 3: Cross multiply
    46,439.12x = 69,658.68 × 11,378.47
  4. Step 4: Simplify right side
    46,439.12x = 792,609,143.73
  5. Step 5: Solve for x
    x = 792,609,143.73/46,439.12
  6. Step 6: Final answer
    x = 17,067.71

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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.