Home / 87,631.45-131,391.02-37,016.72

Finding the Fourth Proportional to 87,631.45, 131,391.02 and 37,016.72

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Solution

The fourth proportional to 87,631.45, 131,391.02 and 37,016.72 is: 55,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,631.45 : 131,391.02 = 37,016.72 : x
  2. Step 2: Convert to fraction form
    87,631.45/131,391.02 = 37,016.72/x
  3. Step 3: Cross multiply
    87,631.45x = 131,391.02 × 37,016.72
  4. Step 4: Simplify right side
    87,631.45x = 4,863,664,597.85
  5. Step 5: Solve for x
    x = 4,863,664,597.85/87,631.45
  6. Step 6: Final answer
    x = 55,501.36

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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.