Finding the Fourth Proportional to 99,603.08, 137,452.26 and 54,891.08
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Solution
The fourth proportional to 99,603.08, 137,452.26 and 54,891.08 is: 75,749.69
Step by Step Solution
- Step 1: Write the proportion equation
99,603.08 : 137,452.26 = 54,891.08 : x - Step 2: Convert to fraction form
99,603.08/137,452.26 = 54,891.08/x - Step 3: Cross multiply
99,603.08x = 137,452.26 × 54,891.08 - Step 4: Simplify right side
99,603.08x = 7,544,902,725.39 - Step 5: Solve for x
x = 7,544,902,725.39/99,603.08 - Step 6: Final answer
x = 75,749.69
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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.