Home / 48,736.79-73,107.76-13,679.18

Finding the Fourth Proportional to 48,736.79, 73,107.76 and 13,679.18

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Solution

The fourth proportional to 48,736.79, 73,107.76 and 13,679.18 is: 20,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,736.79 : 73,107.76 = 13,679.18 : x
  2. Step 2: Convert to fraction form
    48,736.79/73,107.76 = 13,679.18/x
  3. Step 3: Cross multiply
    48,736.79x = 73,107.76 × 13,679.18
  4. Step 4: Simplify right side
    48,736.79x = 1,000,054,208.44
  5. Step 5: Solve for x
    x = 1,000,054,208.44/48,736.79
  6. Step 6: Final answer
    x = 20,519.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.