Home / 104,132.49-143,687.42-58,809.65

Finding the Fourth Proportional to 104,132.49, 143,687.42 and 58,809.65

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Solution

The fourth proportional to 104,132.49, 143,687.42 and 58,809.65 is: 81,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,132.49 : 143,687.42 = 58,809.65 : x
  2. Step 2: Convert to fraction form
    104,132.49/143,687.42 = 58,809.65/x
  3. Step 3: Cross multiply
    104,132.49x = 143,687.42 × 58,809.65
  4. Step 4: Simplify right side
    104,132.49x = 8,450,206,087.65
  5. Step 5: Solve for x
    x = 8,450,206,087.65/104,132.49
  6. Step 6: Final answer
    x = 81,148.61

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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.