Finding the Fourth Proportional to 97,329.48, 134,310.60 and 54,891.96
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Solution
The fourth proportional to 97,329.48, 134,310.60 and 54,891.96 is: 75,748.60
Step by Step Solution
- Step 1: Write the proportion equation
97,329.48 : 134,310.60 = 54,891.96 : x - Step 2: Convert to fraction form
97,329.48/134,310.60 = 54,891.96/x - Step 3: Cross multiply
97,329.48x = 134,310.60 × 54,891.96 - Step 4: Simplify right side
97,329.48x = 7,372,572,082.78 - Step 5: Solve for x
x = 7,372,572,082.78/97,329.48 - Step 6: Final answer
x = 75,748.60
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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.