Finding the Fourth Proportional to 95,211.11, 131,391.05 and 52,769.68
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Solution
The fourth proportional to 95,211.11, 131,391.05 and 52,769.68 is: 72,821.99
Step by Step Solution
- Step 1: Write the proportion equation
95,211.11 : 131,391.05 = 52,769.68 : x - Step 2: Convert to fraction form
95,211.11/131,391.05 = 52,769.68/x - Step 3: Cross multiply
95,211.11x = 131,391.05 × 52,769.68 - Step 4: Simplify right side
95,211.11x = 6,933,463,071.04 - Step 5: Solve for x
x = 6,933,463,071.04/95,211.11 - Step 6: Final answer
x = 72,821.99
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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.