Finding the Fourth Proportional to 75,501.63, 104,193.42 and 41,511.60
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Solution
The fourth proportional to 75,501.63, 104,193.42 and 41,511.60 is: 57,286.65
Step by Step Solution
- Step 1: Write the proportion equation
75,501.63 : 104,193.42 = 41,511.60 : x - Step 2: Convert to fraction form
75,501.63/104,193.42 = 41,511.60/x - Step 3: Cross multiply
75,501.63x = 104,193.42 × 41,511.60 - Step 4: Simplify right side
75,501.63x = 4,325,235,573.67 - Step 5: Solve for x
x = 4,325,235,573.67/75,501.63 - Step 6: Final answer
x = 57,286.65
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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.