Home / 104,289.28-143,922.03-58,974.04

Finding the Fourth Proportional to 104,289.28, 143,922.03 and 58,974.04

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Solution

The fourth proportional to 104,289.28, 143,922.03 and 58,974.04 is: 81,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,289.28 : 143,922.03 = 58,974.04 : x
  2. Step 2: Convert to fraction form
    104,289.28/143,922.03 = 58,974.04/x
  3. Step 3: Cross multiply
    104,289.28x = 143,922.03 × 58,974.04
  4. Step 4: Simplify right side
    104,289.28x = 8,487,663,194.30
  5. Step 5: Solve for x
    x = 8,487,663,194.30/104,289.28
  6. Step 6: Final answer
    x = 81,385.77

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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.