Finding the Fourth Proportional to 74,613.05, 102,971.34 and 41,910.11
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Solution
The fourth proportional to 74,613.05, 102,971.34 and 41,910.11 is: 57,838.95
Step by Step Solution
- Step 1: Write the proportion equation
74,613.05 : 102,971.34 = 41,910.11 : x - Step 2: Convert to fraction form
74,613.05/102,971.34 = 41,910.11/x - Step 3: Cross multiply
74,613.05x = 102,971.34 × 41,910.11 - Step 4: Simplify right side
74,613.05x = 4,315,540,186.25 - Step 5: Solve for x
x = 4,315,540,186.25/74,613.05 - Step 6: Final answer
x = 57,838.95
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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.