Home / 79,600.36-109,845.54-43,788.04

Finding the Fourth Proportional to 79,600.36, 109,845.54 and 43,788.04

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Solution

The fourth proportional to 79,600.36, 109,845.54 and 43,788.04 is: 60,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,600.36 : 109,845.54 = 43,788.04 : x
  2. Step 2: Convert to fraction form
    79,600.36/109,845.54 = 43,788.04/x
  3. Step 3: Cross multiply
    79,600.36x = 109,845.54 × 43,788.04
  4. Step 4: Simplify right side
    79,600.36x = 4,809,920,899.34
  5. Step 5: Solve for x
    x = 4,809,920,899.34/79,600.36
  6. Step 6: Final answer
    x = 60,425.87

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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.