Home / 46,481.39-69,721.47-11,421.35

Finding the Fourth Proportional to 46,481.39, 69,721.47 and 11,421.35

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Solution

The fourth proportional to 46,481.39, 69,721.47 and 11,421.35 is: 17,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,481.39 : 69,721.47 = 11,421.35 : x
  2. Step 2: Convert to fraction form
    46,481.39/69,721.47 = 11,421.35/x
  3. Step 3: Cross multiply
    46,481.39x = 69,721.47 × 11,421.35
  4. Step 4: Simplify right side
    46,481.39x = 796,313,311.38
  5. Step 5: Solve for x
    x = 796,313,311.38/46,481.39
  6. Step 6: Final answer
    x = 17,131.87

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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.