Home / 79,680.12-109,954.49-43,863.23

Finding the Fourth Proportional to 79,680.12, 109,954.49 and 43,863.23

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Solution

The fourth proportional to 79,680.12, 109,954.49 and 43,863.23 is: 60,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680.12 : 109,954.49 = 43,863.23 : x
  2. Step 2: Convert to fraction form
    79,680.12/109,954.49 = 43,863.23/x
  3. Step 3: Cross multiply
    79,680.12x = 109,954.49 × 43,863.23
  4. Step 4: Simplify right side
    79,680.12x = 4,822,958,315.31
  5. Step 5: Solve for x
    x = 4,822,958,315.31/79,680.12
  6. Step 6: Final answer
    x = 60,529.00

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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.