Home / 87,782.46-131,618.34-48,367.26

Finding the Fourth Proportional to 87,782.46, 131,618.34 and 48,367.26

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Solution

The fourth proportional to 87,782.46, 131,618.34 and 48,367.26 is: 72,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,782.46 : 131,618.34 = 48,367.26 : x
  2. Step 2: Convert to fraction form
    87,782.46/131,618.34 = 48,367.26/x
  3. Step 3: Cross multiply
    87,782.46x = 131,618.34 × 48,367.26
  4. Step 4: Simplify right side
    87,782.46x = 6,366,018,471.55
  5. Step 5: Solve for x
    x = 6,366,018,471.55/87,782.46
  6. Step 6: Final answer
    x = 72,520.39

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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.