Home / 80,662.42-121,018.24-41,247.22

Finding the Fourth Proportional to 80,662.42, 121,018.24 and 41,247.22

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Solution

The fourth proportional to 80,662.42, 121,018.24 and 41,247.22 is: 61,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,662.42 : 121,018.24 = 41,247.22 : x
  2. Step 2: Convert to fraction form
    80,662.42/121,018.24 = 41,247.22/x
  3. Step 3: Cross multiply
    80,662.42x = 121,018.24 × 41,247.22
  4. Step 4: Simplify right side
    80,662.42x = 4,991,665,969.29
  5. Step 5: Solve for x
    x = 4,991,665,969.29/80,662.42
  6. Step 6: Final answer
    x = 61,883.41

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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.