Home / 83,635.51-115,397.97-49,626.44

Finding the Fourth Proportional to 83,635.51, 115,397.97 and 49,626.44

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Solution

The fourth proportional to 83,635.51, 115,397.97 and 49,626.44 is: 68,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,635.51 : 115,397.97 = 49,626.44 : x
  2. Step 2: Convert to fraction form
    83,635.51/115,397.97 = 49,626.44/x
  3. Step 3: Cross multiply
    83,635.51x = 115,397.97 × 49,626.44
  4. Step 4: Simplify right side
    83,635.51x = 5,726,790,434.33
  5. Step 5: Solve for x
    x = 5,726,790,434.33/83,635.51
  6. Step 6: Final answer
    x = 68,473.19

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1.5x scale

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.