Home / 101,067.14-139,473.29-55,746.33

Finding the Fourth Proportional to 101,067.14, 139,473.29 and 55,746.33

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Solution

The fourth proportional to 101,067.14, 139,473.29 and 55,746.33 is: 76,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.14 : 139,473.29 = 55,746.33 : x
  2. Step 2: Convert to fraction form
    101,067.14/139,473.29 = 55,746.33/x
  3. Step 3: Cross multiply
    101,067.14x = 139,473.29 × 55,746.33
  4. Step 4: Simplify right side
    101,067.14x = 7,775,123,771.79
  5. Step 5: Solve for x
    x = 7,775,123,771.79/101,067.14
  6. Step 6: Final answer
    x = 76,930.29

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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.