Finding the Fourth Proportional to 75,668.58, 104,421.66 and 41,676.42
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Solution
The fourth proportional to 75,668.58, 104,421.66 and 41,676.42 is: 57,512.92
Step by Step Solution
- Step 1: Write the proportion equation
75,668.58 : 104,421.66 = 41,676.42 : x - Step 2: Convert to fraction form
75,668.58/104,421.66 = 41,676.42/x - Step 3: Cross multiply
75,668.58x = 104,421.66 × 41,676.42 - Step 4: Simplify right side
75,668.58x = 4,351,920,959.26 - Step 5: Solve for x
x = 4,351,920,959.26/75,668.58 - Step 6: Final answer
x = 57,512.92
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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.