Home / 80,520.91-120,717.84-50,876.26

Finding the Fourth Proportional to 80,520.91, 120,717.84 and 50,876.26

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Solution

The fourth proportional to 80,520.91, 120,717.84 and 50,876.26 is: 76,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,520.91 : 120,717.84 = 50,876.26 : x
  2. Step 2: Convert to fraction form
    80,520.91/120,717.84 = 50,876.26/x
  3. Step 3: Cross multiply
    80,520.91x = 120,717.84 × 50,876.26
  4. Step 4: Simplify right side
    80,520.91x = 6,141,672,214.48
  5. Step 5: Solve for x
    x = 6,141,672,214.48/80,520.91
  6. Step 6: Final answer
    x = 76,274.25

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1.5x scale

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.