Home / 80,366.10-120,521.19-32,967.72

Finding the Fourth Proportional to 80,366.10, 120,521.19 and 32,967.72

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Solution

The fourth proportional to 80,366.10, 120,521.19 and 32,967.72 is: 49,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,366.10 : 120,521.19 = 32,967.72 : x
  2. Step 2: Convert to fraction form
    80,366.10/120,521.19 = 32,967.72/x
  3. Step 3: Cross multiply
    80,366.10x = 120,521.19 × 32,967.72
  4. Step 4: Simplify right side
    80,366.10x = 3,973,308,845.99
  5. Step 5: Solve for x
    x = 3,973,308,845.99/80,366.10
  6. Step 6: Final answer
    x = 49,440.11

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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.