Home / 73,999.20-102,116.72-40,463.04

Finding the Fourth Proportional to 73,999.20, 102,116.72 and 40,463.04

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Solution

The fourth proportional to 73,999.20, 102,116.72 and 40,463.04 is: 55,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,999.20 : 102,116.72 = 40,463.04 : x
  2. Step 2: Convert to fraction form
    73,999.20/102,116.72 = 40,463.04/x
  3. Step 3: Cross multiply
    73,999.20x = 102,116.72 × 40,463.04
  4. Step 4: Simplify right side
    73,999.20x = 4,131,952,926.03
  5. Step 5: Solve for x
    x = 4,131,952,926.03/73,999.20
  6. Step 6: Final answer
    x = 55,837.81

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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.