Home / 81,997.04-123,034.44-48,782.72

Finding the Fourth Proportional to 81,997.04, 123,034.44 and 48,782.72

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Solution

The fourth proportional to 81,997.04, 123,034.44 and 48,782.72 is: 73,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,997.04 : 123,034.44 = 48,782.72 : x
  2. Step 2: Convert to fraction form
    81,997.04/123,034.44 = 48,782.72/x
  3. Step 3: Cross multiply
    81,997.04x = 123,034.44 × 48,782.72
  4. Step 4: Simplify right side
    81,997.04x = 6,001,954,636.88
  5. Step 5: Solve for x
    x = 6,001,954,636.88/81,997.04
  6. Step 6: Final answer
    x = 73,197.21

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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.