Home / 89,163.46-133,696.88-39,185.04

Finding the Fourth Proportional to 89,163.46, 133,696.88 and 39,185.04

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Solution

The fourth proportional to 89,163.46, 133,696.88 and 39,185.04 is: 58,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,163.46 : 133,696.88 = 39,185.04 : x
  2. Step 2: Convert to fraction form
    89,163.46/133,696.88 = 39,185.04/x
  3. Step 3: Cross multiply
    89,163.46x = 133,696.88 × 39,185.04
  4. Step 4: Simplify right side
    89,163.46x = 5,238,917,590.68
  5. Step 5: Solve for x
    x = 5,238,917,590.68/89,163.46
  6. Step 6: Final answer
    x = 58,756.33

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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.