Home / 104,747.97-144,554.79-57,003.94

Finding the Fourth Proportional to 104,747.97, 144,554.79 and 57,003.94

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Solution

The fourth proportional to 104,747.97, 144,554.79 and 57,003.94 is: 78,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.97 : 144,554.79 = 57,003.94 : x
  2. Step 2: Convert to fraction form
    104,747.97/144,554.79 = 57,003.94/x
  3. Step 3: Cross multiply
    104,747.97x = 144,554.79 × 57,003.94
  4. Step 4: Simplify right side
    104,747.97x = 8,240,192,575.87
  5. Step 5: Solve for x
    x = 8,240,192,575.87/104,747.97
  6. Step 6: Final answer
    x = 78,666.85

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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.