Home / 73,240.30-100,998.82-55,134.36

Finding the Fourth Proportional to 73,240.30, 100,998.82 and 55,134.36

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Solution

The fourth proportional to 73,240.30, 100,998.82 and 55,134.36 is: 76,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.30 : 100,998.82 = 55,134.36 : x
  2. Step 2: Convert to fraction form
    73,240.30/100,998.82 = 55,134.36/x
  3. Step 3: Cross multiply
    73,240.30x = 100,998.82 × 55,134.36
  4. Step 4: Simplify right side
    73,240.30x = 5,568,505,301.46
  5. Step 5: Solve for x
    x = 5,568,505,301.46/73,240.30
  6. Step 6: Final answer
    x = 76,030.62

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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.