Home / 109,405.83-164,015.12-41,986.24

Finding the Fourth Proportional to 109,405.83, 164,015.12 and 41,986.24

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Solution

The fourth proportional to 109,405.83, 164,015.12 and 41,986.24 is: 62,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,405.83 : 164,015.12 = 41,986.24 : x
  2. Step 2: Convert to fraction form
    109,405.83/164,015.12 = 41,986.24/x
  3. Step 3: Cross multiply
    109,405.83x = 164,015.12 × 41,986.24
  4. Step 4: Simplify right side
    109,405.83x = 6,886,377,371.87
  5. Step 5: Solve for x
    x = 6,886,377,371.87/109,405.83
  6. Step 6: Final answer
    x = 62,943.42

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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.