Home / 84,149.73-116,118.18-49,689.09

Finding the Fourth Proportional to 84,149.73, 116,118.18 and 49,689.09

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Solution

The fourth proportional to 84,149.73, 116,118.18 and 49,689.09 is: 68,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,149.73 : 116,118.18 = 49,689.09 : x
  2. Step 2: Convert to fraction form
    84,149.73/116,118.18 = 49,689.09/x
  3. Step 3: Cross multiply
    84,149.73x = 116,118.18 × 49,689.09
  4. Step 4: Simplify right side
    84,149.73x = 5,769,806,696.66
  5. Step 5: Solve for x
    x = 5,769,806,696.66/84,149.73
  6. Step 6: Final answer
    x = 68,565.96

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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.