Home / 87,408.36-131,051.79-44,630.64

Finding the Fourth Proportional to 87,408.36, 131,051.79 and 44,630.64

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Solution

The fourth proportional to 87,408.36, 131,051.79 and 44,630.64 is: 66,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408.36 : 131,051.79 = 44,630.64 : x
  2. Step 2: Convert to fraction form
    87,408.36/131,051.79 = 44,630.64/x
  3. Step 3: Cross multiply
    87,408.36x = 131,051.79 × 44,630.64
  4. Step 4: Simplify right side
    87,408.36x = 5,848,925,260.85
  5. Step 5: Solve for x
    x = 5,848,925,260.85/87,408.36
  6. Step 6: Final answer
    x = 66,914.94

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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.