Home / 79,208.07-109,307.12-43,399.44

Finding the Fourth Proportional to 79,208.07, 109,307.12 and 43,399.44

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Solution

The fourth proportional to 79,208.07, 109,307.12 and 43,399.44 is: 59,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.07 : 109,307.12 = 43,399.44 : x
  2. Step 2: Convert to fraction form
    79,208.07/109,307.12 = 43,399.44/x
  3. Step 3: Cross multiply
    79,208.07x = 109,307.12 × 43,399.44
  4. Step 4: Simplify right side
    79,208.07x = 4,743,867,579.02
  5. Step 5: Solve for x
    x = 4,743,867,579.02/79,208.07
  6. Step 6: Final answer
    x = 59,891.22

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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.