Home / 79,610.20-109,858.08-43,799.28

Finding the Fourth Proportional to 79,610.20, 109,858.08 and 43,799.28

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Solution

The fourth proportional to 79,610.20, 109,858.08 and 43,799.28 is: 60,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,610.20 : 109,858.08 = 43,799.28 : x
  2. Step 2: Convert to fraction form
    79,610.20/109,858.08 = 43,799.28/x
  3. Step 3: Cross multiply
    79,610.20x = 109,858.08 × 43,799.28
  4. Step 4: Simplify right side
    79,610.20x = 4,811,704,806.18
  5. Step 5: Solve for x
    x = 4,811,704,806.18/79,610.20
  6. Step 6: Final answer
    x = 60,440.81

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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.