Home / 110,072.10-164,998.80-53,866.20

Finding the Fourth Proportional to 110,072.10, 164,998.80 and 53,866.20

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Solution

The fourth proportional to 110,072.10, 164,998.80 and 53,866.20 is: 80,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,072.10 : 164,998.80 = 53,866.20 : x
  2. Step 2: Convert to fraction form
    110,072.10/164,998.80 = 53,866.20/x
  3. Step 3: Cross multiply
    110,072.10x = 164,998.80 × 53,866.20
  4. Step 4: Simplify right side
    110,072.10x = 8,887,858,360.56
  5. Step 5: Solve for x
    x = 8,887,858,360.56/110,072.10
  6. Step 6: Final answer
    x = 80,745.79

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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.