Home / 87,408.11-131,112.02-37,455.82

Finding the Fourth Proportional to 87,408.11, 131,112.02 and 37,455.82

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Solution

The fourth proportional to 87,408.11, 131,112.02 and 37,455.82 is: 56,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408.11 : 131,112.02 = 37,455.82 : x
  2. Step 2: Convert to fraction form
    87,408.11/131,112.02 = 37,455.82/x
  3. Step 3: Cross multiply
    87,408.11x = 131,112.02 × 37,455.82
  4. Step 4: Simplify right side
    87,408.11x = 4,910,907,776.13
  5. Step 5: Solve for x
    x = 4,910,907,776.13/87,408.11
  6. Step 6: Final answer
    x = 56,183.66

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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.