Finding the Fourth Proportional to 74,761.75, 103,170.86 and 41,227.75
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Solution
The fourth proportional to 74,761.75, 103,170.86 and 41,227.75 is: 56,894.10
Step by Step Solution
- Step 1: Write the proportion equation
74,761.75 : 103,170.86 = 41,227.75 : x - Step 2: Convert to fraction form
74,761.75/103,170.86 = 41,227.75/x - Step 3: Cross multiply
74,761.75x = 103,170.86 × 41,227.75 - Step 4: Simplify right side
74,761.75x = 4,253,501,907.51 - Step 5: Solve for x
x = 4,253,501,907.51/74,761.75 - Step 6: Final answer
x = 56,894.10
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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.