Home / 73,237.79-100,995.37-55,131.86

Finding the Fourth Proportional to 73,237.79, 100,995.37 and 55,131.86

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Solution

The fourth proportional to 73,237.79, 100,995.37 and 55,131.86 is: 76,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,237.79 : 100,995.37 = 55,131.86 : x
  2. Step 2: Convert to fraction form
    73,237.79/100,995.37 = 55,131.86/x
  3. Step 3: Cross multiply
    73,237.79x = 100,995.37 × 55,131.86
  4. Step 4: Simplify right side
    73,237.79x = 5,568,062,599.49
  5. Step 5: Solve for x
    x = 5,568,062,599.49/73,237.79
  6. Step 6: Final answer
    x = 76,027.18

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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.