Home / 79,512.58-109,729.38-43,703.50

Finding the Fourth Proportional to 79,512.58, 109,729.38 and 43,703.50

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Solution

The fourth proportional to 79,512.58, 109,729.38 and 43,703.50 is: 60,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.58 : 109,729.38 = 43,703.50 : x
  2. Step 2: Convert to fraction form
    79,512.58/109,729.38 = 43,703.50/x
  3. Step 3: Cross multiply
    79,512.58x = 109,729.38 × 43,703.50
  4. Step 4: Simplify right side
    79,512.58x = 4,795,557,958.83
  5. Step 5: Solve for x
    x = 4,795,557,958.83/79,512.58
  6. Step 6: Final answer
    x = 60,311.94

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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.