Home / 87,371.37-131,057.19-37,447.56

Finding the Fourth Proportional to 87,371.37, 131,057.19 and 37,447.56

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Solution

The fourth proportional to 87,371.37, 131,057.19 and 37,447.56 is: 56,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.37 : 131,057.19 = 37,447.56 : x
  2. Step 2: Convert to fraction form
    87,371.37/131,057.19 = 37,447.56/x
  3. Step 3: Cross multiply
    87,371.37x = 131,057.19 × 37,447.56
  4. Step 4: Simplify right side
    87,371.37x = 4,907,771,985.96
  5. Step 5: Solve for x
    x = 4,907,771,985.96/87,371.37
  6. Step 6: Final answer
    x = 56,171.40

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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.