Home / 104,945.70-144,828.24-57,202.14

Finding the Fourth Proportional to 104,945.70, 144,828.24 and 57,202.14

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Solution

The fourth proportional to 104,945.70, 144,828.24 and 57,202.14 is: 78,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,945.70 : 144,828.24 = 57,202.14 : x
  2. Step 2: Convert to fraction form
    104,945.70/144,828.24 = 57,202.14/x
  3. Step 3: Cross multiply
    104,945.70x = 144,828.24 × 57,202.14
  4. Step 4: Simplify right side
    104,945.70x = 8,284,485,260.43
  5. Step 5: Solve for x
    x = 8,284,485,260.43/104,945.70
  6. Step 6: Final answer
    x = 78,940.68

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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.