Home / 104,954.68-144,836.56-57,208.04

Finding the Fourth Proportional to 104,954.68, 144,836.56 and 57,208.04

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Solution

The fourth proportional to 104,954.68, 144,836.56 and 57,208.04 is: 78,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,954.68 : 144,836.56 = 57,208.04 : x
  2. Step 2: Convert to fraction form
    104,954.68/144,836.56 = 57,208.04/x
  3. Step 3: Cross multiply
    104,954.68x = 144,836.56 × 57,208.04
  4. Step 4: Simplify right side
    104,954.68x = 8,285,815,717.94
  5. Step 5: Solve for x
    x = 8,285,815,717.94/104,954.68
  6. Step 6: Final answer
    x = 78,946.61

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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.