Home / 74,474.41-102,773.96-55,439.31

Finding the Fourth Proportional to 74,474.41, 102,773.96 and 55,439.31

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Solution

The fourth proportional to 74,474.41, 102,773.96 and 55,439.31 is: 76,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,474.41 : 102,773.96 = 55,439.31 : x
  2. Step 2: Convert to fraction form
    74,474.41/102,773.96 = 55,439.31/x
  3. Step 3: Cross multiply
    74,474.41x = 102,773.96 × 55,439.31
  4. Step 4: Simplify right side
    74,474.41x = 5,697,717,767.27
  5. Step 5: Solve for x
    x = 5,697,717,767.27/74,474.41
  6. Step 6: Final answer
    x = 76,505.71

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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.