Home / 87,845.13-131,705.06-41,072.49

Finding the Fourth Proportional to 87,845.13, 131,705.06 and 41,072.49

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Solution

The fourth proportional to 87,845.13, 131,705.06 and 41,072.49 is: 61,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.13 : 131,705.06 = 41,072.49 : x
  2. Step 2: Convert to fraction form
    87,845.13/131,705.06 = 41,072.49/x
  3. Step 3: Cross multiply
    87,845.13x = 131,705.06 × 41,072.49
  4. Step 4: Simplify right side
    87,845.13x = 5,409,454,554.44
  5. Step 5: Solve for x
    x = 5,409,454,554.44/87,845.13
  6. Step 6: Final answer
    x = 61,579.45

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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.