Home / 45,662.51-68,493.60-12,382.49

Finding the Fourth Proportional to 45,662.51, 68,493.60 and 12,382.49

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Solution

The fourth proportional to 45,662.51, 68,493.60 and 12,382.49 is: 18,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,662.51 : 68,493.60 = 12,382.49 : x
  2. Step 2: Convert to fraction form
    45,662.51/68,493.60 = 12,382.49/x
  3. Step 3: Cross multiply
    45,662.51x = 68,493.60 × 12,382.49
  4. Step 4: Simplify right side
    45,662.51x = 848,121,488.30
  5. Step 5: Solve for x
    x = 848,121,488.30/45,662.51
  6. Step 6: Final answer
    x = 18,573.69

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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.