Finding the Fourth Proportional to 84,072.41, 126,067.30 and 27,893.44
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Solution
The fourth proportional to 84,072.41, 126,067.30 and 27,893.44 is: 41,826.45
Step by Step Solution
- Step 1: Write the proportion equation
84,072.41 : 126,067.30 = 27,893.44 : x - Step 2: Convert to fraction form
84,072.41/126,067.30 = 27,893.44/x - Step 3: Cross multiply
84,072.41x = 126,067.30 × 27,893.44 - Step 4: Simplify right side
84,072.41x = 3,516,450,283.61 - Step 5: Solve for x
x = 3,516,450,283.61/84,072.41 - Step 6: Final answer
x = 41,826.45
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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.