Home / 79,558.88-109,791.27-43,751.34

Finding the Fourth Proportional to 79,558.88, 109,791.27 and 43,751.34

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Solution

The fourth proportional to 79,558.88, 109,791.27 and 43,751.34 is: 60,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,558.88 : 109,791.27 = 43,751.34 : x
  2. Step 2: Convert to fraction form
    79,558.88/109,791.27 = 43,751.34/x
  3. Step 3: Cross multiply
    79,558.88x = 109,791.27 × 43,751.34
  4. Step 4: Simplify right side
    79,558.88x = 4,803,515,182.80
  5. Step 5: Solve for x
    x = 4,803,515,182.80/79,558.88
  6. Step 6: Final answer
    x = 60,376.86

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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.