Home / 106,764.53-147,165.36-84,067.52

Finding the Fourth Proportional to 106,764.53, 147,165.36 and 84,067.52

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Solution

The fourth proportional to 106,764.53, 147,165.36 and 84,067.52 is: 115,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.53 : 147,165.36 = 84,067.52 : x
  2. Step 2: Convert to fraction form
    106,764.53/147,165.36 = 84,067.52/x
  3. Step 3: Cross multiply
    106,764.53x = 147,165.36 × 84,067.52
  4. Step 4: Simplify right side
    106,764.53x = 12,371,826,845.11
  5. Step 5: Solve for x
    x = 12,371,826,845.11/106,764.53
  6. Step 6: Final answer
    x = 115,879.56

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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.