Home / 79,518.32-109,735.56-43,711.44

Finding the Fourth Proportional to 79,518.32, 109,735.56 and 43,711.44

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Solution

The fourth proportional to 79,518.32, 109,735.56 and 43,711.44 is: 60,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,518.32 : 109,735.56 = 43,711.44 : x
  2. Step 2: Convert to fraction form
    79,518.32/109,735.56 = 43,711.44/x
  3. Step 3: Cross multiply
    79,518.32x = 109,735.56 × 43,711.44
  4. Step 4: Simplify right side
    79,518.32x = 4,796,699,346.81
  5. Step 5: Solve for x
    x = 4,796,699,346.81/79,518.32
  6. Step 6: Final answer
    x = 60,321.94

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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.