Home / 75,880.32-104,694.48-49,013.04

Finding the Fourth Proportional to 75,880.32, 104,694.48 and 49,013.04

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Solution

The fourth proportional to 75,880.32, 104,694.48 and 49,013.04 is: 67,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,880.32 : 104,694.48 = 49,013.04 : x
  2. Step 2: Convert to fraction form
    75,880.32/104,694.48 = 49,013.04/x
  3. Step 3: Cross multiply
    75,880.32x = 104,694.48 × 49,013.04
  4. Step 4: Simplify right side
    75,880.32x = 5,131,394,736.02
  5. Step 5: Solve for x
    x = 5,131,394,736.02/75,880.32
  6. Step 6: Final answer
    x = 67,624.84

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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.