Home / 80,626.08-120,938.11-49,044.79

Finding the Fourth Proportional to 80,626.08, 120,938.11 and 49,044.79

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Solution

The fourth proportional to 80,626.08, 120,938.11 and 49,044.79 is: 73,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626.08 : 120,938.11 = 49,044.79 : x
  2. Step 2: Convert to fraction form
    80,626.08/120,938.11 = 49,044.79/x
  3. Step 3: Cross multiply
    80,626.08x = 120,938.11 × 49,044.79
  4. Step 4: Simplify right side
    80,626.08x = 5,931,384,512.38
  5. Step 5: Solve for x
    x = 5,931,384,512.38/80,626.08
  6. Step 6: Final answer
    x = 73,566.57

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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.