Home / 87,910.03-131,873.15-31,741.39

Finding the Fourth Proportional to 87,910.03, 131,873.15 and 31,741.39

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Solution

The fourth proportional to 87,910.03, 131,873.15 and 31,741.39 is: 47,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,910.03 : 131,873.15 = 31,741.39 : x
  2. Step 2: Convert to fraction form
    87,910.03/131,873.15 = 31,741.39/x
  3. Step 3: Cross multiply
    87,910.03x = 131,873.15 × 31,741.39
  4. Step 4: Simplify right side
    87,910.03x = 4,185,837,084.68
  5. Step 5: Solve for x
    x = 4,185,837,084.68/87,910.03
  6. Step 6: Final answer
    x = 47,615.01

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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.