Home / 78,067.38-116,912.31-44,686.29

Finding the Fourth Proportional to 78,067.38, 116,912.31 and 44,686.29

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Solution

The fourth proportional to 78,067.38, 116,912.31 and 44,686.29 is: 66,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067.38 : 116,912.31 = 44,686.29 : x
  2. Step 2: Convert to fraction form
    78,067.38/116,912.31 = 44,686.29/x
  3. Step 3: Cross multiply
    78,067.38x = 116,912.31 × 44,686.29
  4. Step 4: Simplify right side
    78,067.38x = 5,224,377,389.23
  5. Step 5: Solve for x
    x = 5,224,377,389.23/78,067.38
  6. Step 6: Final answer
    x = 66,921.39

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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.