Finding the Fourth Proportional to 75,694.96, 104,458.55 and 41,702.66
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Solution
The fourth proportional to 75,694.96, 104,458.55 and 41,702.66 is: 57,549.39
Step by Step Solution
- Step 1: Write the proportion equation
75,694.96 : 104,458.55 = 41,702.66 : x - Step 2: Convert to fraction form
75,694.96/104,458.55 = 41,702.66/x - Step 3: Cross multiply
75,694.96x = 104,458.55 × 41,702.66 - Step 4: Simplify right side
75,694.96x = 4,356,198,768.19 - Step 5: Solve for x
x = 4,356,198,768.19/75,694.96 - Step 6: Final answer
x = 57,549.39
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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.