Finding the Fourth Proportional to 107,704.29, 161,556.48 and 51,531.18
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Solution
The fourth proportional to 107,704.29, 161,556.48 and 51,531.18 is: 77,296.79
Step by Step Solution
- Step 1: Write the proportion equation
107,704.29 : 161,556.48 = 51,531.18 : x - Step 2: Convert to fraction form
107,704.29/161,556.48 = 51,531.18/x - Step 3: Cross multiply
107,704.29x = 161,556.48 × 51,531.18 - Step 4: Simplify right side
107,704.29x = 8,325,196,051.05 - Step 5: Solve for x
x = 8,325,196,051.05/107,704.29 - Step 6: Final answer
x = 77,296.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.