Home / 116,017.10-173,896.05-66,121.10

Finding the Fourth Proportional to 116,017.10, 173,896.05 and 66,121.10

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Solution

The fourth proportional to 116,017.10, 173,896.05 and 66,121.10 is: 99,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,017.10 : 173,896.05 = 66,121.10 : x
  2. Step 2: Convert to fraction form
    116,017.10/173,896.05 = 66,121.10/x
  3. Step 3: Cross multiply
    116,017.10x = 173,896.05 × 66,121.10
  4. Step 4: Simplify right side
    116,017.10x = 11,498,198,111.66
  5. Step 5: Solve for x
    x = 11,498,198,111.66/116,017.10
  6. Step 6: Final answer
    x = 99,107.79

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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.