Finding the Fourth Proportional to 84,998.62, 117,296.43 and 47,272.06
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Solution
The fourth proportional to 84,998.62, 117,296.43 and 47,272.06 is: 65,234.52
Step by Step Solution
- Step 1: Write the proportion equation
84,998.62 : 117,296.43 = 47,272.06 : x - Step 2: Convert to fraction form
84,998.62/117,296.43 = 47,272.06/x - Step 3: Cross multiply
84,998.62x = 117,296.43 × 47,272.06 - Step 4: Simplify right side
84,998.62x = 5,544,843,876.75 - Step 5: Solve for x
x = 5,544,843,876.75/84,998.62 - Step 6: Final answer
x = 65,234.52
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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.