Home / 87,647.45-131,367.35-40,222.58

Finding the Fourth Proportional to 87,647.45, 131,367.35 and 40,222.58

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Solution

The fourth proportional to 87,647.45, 131,367.35 and 40,222.58 is: 60,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,647.45 : 131,367.35 = 40,222.58 : x
  2. Step 2: Convert to fraction form
    87,647.45/131,367.35 = 40,222.58/x
  3. Step 3: Cross multiply
    87,647.45x = 131,367.35 × 40,222.58
  4. Step 4: Simplify right side
    87,647.45x = 5,283,932,886.81
  5. Step 5: Solve for x
    x = 5,283,932,886.81/87,647.45
  6. Step 6: Final answer
    x = 60,286.22

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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.