Home / 74,268.08-102,472.32-42,003.44

Finding the Fourth Proportional to 74,268.08, 102,472.32 and 42,003.44

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Solution

The fourth proportional to 74,268.08, 102,472.32 and 42,003.44 is: 57,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,268.08 : 102,472.32 = 42,003.44 : x
  2. Step 2: Convert to fraction form
    74,268.08/102,472.32 = 42,003.44/x
  3. Step 3: Cross multiply
    74,268.08x = 102,472.32 × 42,003.44
  4. Step 4: Simplify right side
    74,268.08x = 4,304,189,944.78
  5. Step 5: Solve for x
    x = 4,304,189,944.78/74,268.08
  6. Step 6: Final answer
    x = 57,954.78

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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.