Finding the Fourth Proportional to 75,511.12, 104,207.61 and 41,517.85
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Solution
The fourth proportional to 75,511.12, 104,207.61 and 41,517.85 is: 57,295.88
Step by Step Solution
- Step 1: Write the proportion equation
75,511.12 : 104,207.61 = 41,517.85 : x - Step 2: Convert to fraction form
75,511.12/104,207.61 = 41,517.85/x - Step 3: Cross multiply
75,511.12x = 104,207.61 × 41,517.85 - Step 4: Simplify right side
75,511.12x = 4,326,475,660.32 - Step 5: Solve for x
x = 4,326,475,660.32/75,511.12 - Step 6: Final answer
x = 57,295.88
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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.