Home / 75,855.46-104,679.57-43,589.69

Finding the Fourth Proportional to 75,855.46, 104,679.57 and 43,589.69

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Solution

The fourth proportional to 75,855.46, 104,679.57 and 43,589.69 is: 60,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,855.46 : 104,679.57 = 43,589.69 : x
  2. Step 2: Convert to fraction form
    75,855.46/104,679.57 = 43,589.69/x
  3. Step 3: Cross multiply
    75,855.46x = 104,679.57 × 43,589.69
  4. Step 4: Simplify right side
    75,855.46x = 4,562,949,787.68
  5. Step 5: Solve for x
    x = 4,562,949,787.68/75,855.46
  6. Step 6: Final answer
    x = 60,153.22

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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.