Home / 73,932.64-102,027.36-40,399.36

Finding the Fourth Proportional to 73,932.64, 102,027.36 and 40,399.36

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Solution

The fourth proportional to 73,932.64, 102,027.36 and 40,399.36 is: 55,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,932.64 : 102,027.36 = 40,399.36 : x
  2. Step 2: Convert to fraction form
    73,932.64/102,027.36 = 40,399.36/x
  3. Step 3: Cross multiply
    73,932.64x = 102,027.36 × 40,399.36
  4. Step 4: Simplify right side
    73,932.64x = 4,121,840,046.49
  5. Step 5: Solve for x
    x = 4,121,840,046.49/73,932.64
  6. Step 6: Final answer
    x = 55,751.29

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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.