Home / 49,748.10-74,512.80-29,992.20

Finding the Fourth Proportional to 49,748.10, 74,512.80 and 29,992.20

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Solution

The fourth proportional to 49,748.10, 74,512.80 and 29,992.20 is: 44,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,748.10 : 74,512.80 = 29,992.20 : x
  2. Step 2: Convert to fraction form
    49,748.10/74,512.80 = 29,992.20/x
  3. Step 3: Cross multiply
    49,748.10x = 74,512.80 × 29,992.20
  4. Step 4: Simplify right side
    49,748.10x = 2,234,802,800.16
  5. Step 5: Solve for x
    x = 2,234,802,800.16/49,748.10
  6. Step 6: Final answer
    x = 44,922.37

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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.