Home / 86,569.92-129,874.32-27,401.04

Finding the Fourth Proportional to 86,569.92, 129,874.32 and 27,401.04

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Solution

The fourth proportional to 86,569.92, 129,874.32 and 27,401.04 is: 41,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.92 : 129,874.32 = 27,401.04 : x
  2. Step 2: Convert to fraction form
    86,569.92/129,874.32 = 27,401.04/x
  3. Step 3: Cross multiply
    86,569.92x = 129,874.32 × 27,401.04
  4. Step 4: Simplify right side
    86,569.92x = 3,558,691,437.29
  5. Step 5: Solve for x
    x = 3,558,691,437.29/86,569.92
  6. Step 6: Final answer
    x = 41,107.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.