Home / 79,651.06-109,921.39-43,842.58

Finding the Fourth Proportional to 79,651.06, 109,921.39 and 43,842.58

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Solution

The fourth proportional to 79,651.06, 109,921.39 and 43,842.58 is: 60,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,651.06 : 109,921.39 = 43,842.58 : x
  2. Step 2: Convert to fraction form
    79,651.06/109,921.39 = 43,842.58/x
  3. Step 3: Cross multiply
    79,651.06x = 109,921.39 × 43,842.58
  4. Step 4: Simplify right side
    79,651.06x = 4,819,236,950.38
  5. Step 5: Solve for x
    x = 4,819,236,950.38/79,651.06
  6. Step 6: Final answer
    x = 60,504.37

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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.