Home / 49,487.91-74,136.15-30,775.43

Finding the Fourth Proportional to 49,487.91, 74,136.15 and 30,775.43

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Solution

The fourth proportional to 49,487.91, 74,136.15 and 30,775.43 is: 46,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.91 : 74,136.15 = 30,775.43 : x
  2. Step 2: Convert to fraction form
    49,487.91/74,136.15 = 30,775.43/x
  3. Step 3: Cross multiply
    49,487.91x = 74,136.15 × 30,775.43
  4. Step 4: Simplify right side
    49,487.91x = 2,281,571,524.11
  5. Step 5: Solve for x
    x = 2,281,571,524.11/49,487.91
  6. Step 6: Final answer
    x = 46,103.61

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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.