Home / 81,595.85-122,399.51-34,163.07

Finding the Fourth Proportional to 81,595.85, 122,399.51 and 34,163.07

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Solution

The fourth proportional to 81,595.85, 122,399.51 and 34,163.07 is: 51,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,595.85 : 122,399.51 = 34,163.07 : x
  2. Step 2: Convert to fraction form
    81,595.85/122,399.51 = 34,163.07/x
  3. Step 3: Cross multiply
    81,595.85x = 122,399.51 × 34,163.07
  4. Step 4: Simplify right side
    81,595.85x = 4,181,542,857.28
  5. Step 5: Solve for x
    x = 4,181,542,857.28/81,595.85
  6. Step 6: Final answer
    x = 51,247.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.