Home / 62,874.72-86,766.66-34,579.80

Finding the Fourth Proportional to 62,874.72, 86,766.66 and 34,579.80

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Solution

The fourth proportional to 62,874.72, 86,766.66 and 34,579.80 is: 47,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,874.72 : 86,766.66 = 34,579.80 : x
  2. Step 2: Convert to fraction form
    62,874.72/86,766.66 = 34,579.80/x
  3. Step 3: Cross multiply
    62,874.72x = 86,766.66 × 34,579.80
  4. Step 4: Simplify right side
    62,874.72x = 3,000,373,749.47
  5. Step 5: Solve for x
    x = 3,000,373,749.47/62,874.72
  6. Step 6: Final answer
    x = 47,719.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.