Home / 79,601.30-109,849.01-43,791.35

Finding the Fourth Proportional to 79,601.30, 109,849.01 and 43,791.35

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Solution

The fourth proportional to 79,601.30, 109,849.01 and 43,791.35 is: 60,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,601.30 : 109,849.01 = 43,791.35 : x
  2. Step 2: Convert to fraction form
    79,601.30/109,849.01 = 43,791.35/x
  3. Step 3: Cross multiply
    79,601.30x = 109,849.01 × 43,791.35
  4. Step 4: Simplify right side
    79,601.30x = 4,810,436,225.11
  5. Step 5: Solve for x
    x = 4,810,436,225.11/79,601.30
  6. Step 6: Final answer
    x = 60,431.63

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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.