Finding the Fourth Proportional to 75,697.62, 104,462.82 and 41,242.18
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Solution
The fourth proportional to 75,697.62, 104,462.82 and 41,242.18 is: 56,914.27
Step by Step Solution
- Step 1: Write the proportion equation
75,697.62 : 104,462.82 = 41,242.18 : x - Step 2: Convert to fraction form
75,697.62/104,462.82 = 41,242.18/x - Step 3: Cross multiply
75,697.62x = 104,462.82 × 41,242.18 - Step 4: Simplify right side
75,697.62x = 4,308,274,425.75 - Step 5: Solve for x
x = 4,308,274,425.75/75,697.62 - Step 6: Final answer
x = 56,914.27
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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.