Home / 87,696.53-131,564.25-40,923.89

Finding the Fourth Proportional to 87,696.53, 131,564.25 and 40,923.89

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Solution

The fourth proportional to 87,696.53, 131,564.25 and 40,923.89 is: 61,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696.53 : 131,564.25 = 40,923.89 : x
  2. Step 2: Convert to fraction form
    87,696.53/131,564.25 = 40,923.89/x
  3. Step 3: Cross multiply
    87,696.53x = 131,564.25 × 40,923.89
  4. Step 4: Simplify right side
    87,696.53x = 5,384,120,237.11
  5. Step 5: Solve for x
    x = 5,384,120,237.11/87,696.53
  6. Step 6: Final answer
    x = 61,394.91

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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.