Home / 79,747.64-110,047.80-43,936.72

Finding the Fourth Proportional to 79,747.64, 110,047.80 and 43,936.72

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Solution

The fourth proportional to 79,747.64, 110,047.80 and 43,936.72 is: 60,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.64 : 110,047.80 = 43,936.72 : x
  2. Step 2: Convert to fraction form
    79,747.64/110,047.80 = 43,936.72/x
  3. Step 3: Cross multiply
    79,747.64x = 110,047.80 × 43,936.72
  4. Step 4: Simplify right side
    79,747.64x = 4,835,139,375.22
  5. Step 5: Solve for x
    x = 4,835,139,375.22/79,747.64
  6. Step 6: Final answer
    x = 60,630.50

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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.