Home / 74,354.56-102,606.24-40,361.73

Finding the Fourth Proportional to 74,354.56, 102,606.24 and 40,361.73

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Solution

The fourth proportional to 74,354.56, 102,606.24 and 40,361.73 is: 55,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.56 : 102,606.24 = 40,361.73 : x
  2. Step 2: Convert to fraction form
    74,354.56/102,606.24 = 40,361.73/x
  3. Step 3: Cross multiply
    74,354.56x = 102,606.24 × 40,361.73
  4. Step 4: Simplify right side
    74,354.56x = 4,141,365,121.78
  5. Step 5: Solve for x
    x = 4,141,365,121.78/74,354.56
  6. Step 6: Final answer
    x = 55,697.53

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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.