Home / 83,883.35-115,763.82-48,079.33

Finding the Fourth Proportional to 83,883.35, 115,763.82 and 48,079.33

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Solution

The fourth proportional to 83,883.35, 115,763.82 and 48,079.33 is: 66,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,883.35 : 115,763.82 = 48,079.33 : x
  2. Step 2: Convert to fraction form
    83,883.35/115,763.82 = 48,079.33/x
  3. Step 3: Cross multiply
    83,883.35x = 115,763.82 × 48,079.33
  4. Step 4: Simplify right side
    83,883.35x = 5,565,846,434.13
  5. Step 5: Solve for x
    x = 5,565,846,434.13/83,883.35
  6. Step 6: Final answer
    x = 66,352.22

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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.