Home / 76,025.72-114,043.26-29,278.64

Finding the Fourth Proportional to 76,025.72, 114,043.26 and 29,278.64

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Solution

The fourth proportional to 76,025.72, 114,043.26 and 29,278.64 is: 43,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,025.72 : 114,043.26 = 29,278.64 : x
  2. Step 2: Convert to fraction form
    76,025.72/114,043.26 = 29,278.64/x
  3. Step 3: Cross multiply
    76,025.72x = 114,043.26 × 29,278.64
  4. Step 4: Simplify right side
    76,025.72x = 3,339,031,553.97
  5. Step 5: Solve for x
    x = 3,339,031,553.97/76,025.72
  6. Step 6: Final answer
    x = 43,919.76

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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.