Home / 87,766.02-131,702.49-31,601.43

Finding the Fourth Proportional to 87,766.02, 131,702.49 and 31,601.43

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Solution

The fourth proportional to 87,766.02, 131,702.49 and 31,601.43 is: 47,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,766.02 : 131,702.49 = 31,601.43 : x
  2. Step 2: Convert to fraction form
    87,766.02/131,702.49 = 31,601.43/x
  3. Step 3: Cross multiply
    87,766.02x = 131,702.49 × 31,601.43
  4. Step 4: Simplify right side
    87,766.02x = 4,161,987,018.56
  5. Step 5: Solve for x
    x = 4,161,987,018.56/87,766.02
  6. Step 6: Final answer
    x = 47,421.39

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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.