Home / 84,012.08-115,936.68-46,286

Finding the Fourth Proportional to 84,012.08, 115,936.68 and 46,286

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Solution

The fourth proportional to 84,012.08, 115,936.68 and 46,286 is: 63,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,012.08 : 115,936.68 = 46,286 : x
  2. Step 2: Convert to fraction form
    84,012.08/115,936.68 = 46,286/x
  3. Step 3: Cross multiply
    84,012.08x = 115,936.68 × 46,286
  4. Step 4: Simplify right side
    84,012.08x = 5,366,245,170.48
  5. Step 5: Solve for x
    x = 5,366,245,170.48/84,012.08
  6. Step 6: Final answer
    x = 63,874.69

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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.