Finding the Fourth Proportional to 75,475.25, 104,149.53 and 41,481.98
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Solution
The fourth proportional to 75,475.25, 104,149.53 and 41,481.98 is: 57,241.66
Step by Step Solution
- Step 1: Write the proportion equation
75,475.25 : 104,149.53 = 41,481.98 : x - Step 2: Convert to fraction form
75,475.25/104,149.53 = 41,481.98/x - Step 3: Cross multiply
75,475.25x = 104,149.53 × 41,481.98 - Step 4: Simplify right side
75,475.25x = 4,320,328,199.72 - Step 5: Solve for x
x = 4,320,328,199.72/75,475.25 - Step 6: Final answer
x = 57,241.66
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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.