Home / 79,662.12-109,932.84-43,851.36

Finding the Fourth Proportional to 79,662.12, 109,932.84 and 43,851.36

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Solution

The fourth proportional to 79,662.12, 109,932.84 and 43,851.36 is: 60,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,662.12 : 109,932.84 = 43,851.36 : x
  2. Step 2: Convert to fraction form
    79,662.12/109,932.84 = 43,851.36/x
  3. Step 3: Cross multiply
    79,662.12x = 109,932.84 × 43,851.36
  4. Step 4: Simplify right side
    79,662.12x = 4,820,704,542.66
  5. Step 5: Solve for x
    x = 4,820,704,542.66/79,662.12
  6. Step 6: Final answer
    x = 60,514.39

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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.