Home / 79,512.30-109,727.28-43,705.44

Finding the Fourth Proportional to 79,512.30, 109,727.28 and 43,705.44

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Solution

The fourth proportional to 79,512.30, 109,727.28 and 43,705.44 is: 60,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.30 : 109,727.28 = 43,705.44 : x
  2. Step 2: Convert to fraction form
    79,512.30/109,727.28 = 43,705.44/x
  3. Step 3: Cross multiply
    79,512.30x = 109,727.28 × 43,705.44
  4. Step 4: Simplify right side
    79,512.30x = 4,795,679,052.40
  5. Step 5: Solve for x
    x = 4,795,679,052.40/79,512.30
  6. Step 6: Final answer
    x = 60,313.68

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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.