Home / 79,621.52-109,874.94-43,808.18

Finding the Fourth Proportional to 79,621.52, 109,874.94 and 43,808.18

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Solution

The fourth proportional to 79,621.52, 109,874.94 and 43,808.18 is: 60,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.52 : 109,874.94 = 43,808.18 : x
  2. Step 2: Convert to fraction form
    79,621.52/109,874.94 = 43,808.18/x
  3. Step 3: Cross multiply
    79,621.52x = 109,874.94 × 43,808.18
  4. Step 4: Simplify right side
    79,621.52x = 4,813,420,599.63
  5. Step 5: Solve for x
    x = 4,813,420,599.63/79,621.52
  6. Step 6: Final answer
    x = 60,453.77

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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.