Home / 87,570.67-131,222.28-45,464.54

Finding the Fourth Proportional to 87,570.67, 131,222.28 and 45,464.54

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Solution

The fourth proportional to 87,570.67, 131,222.28 and 45,464.54 is: 68,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570.67 : 131,222.28 = 45,464.54 : x
  2. Step 2: Convert to fraction form
    87,570.67/131,222.28 = 45,464.54/x
  3. Step 3: Cross multiply
    87,570.67x = 131,222.28 × 45,464.54
  4. Step 4: Simplify right side
    87,570.67x = 5,965,960,594.72
  5. Step 5: Solve for x
    x = 5,965,960,594.72/87,570.67
  6. Step 6: Final answer
    x = 68,127.38

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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.