Finding the Fourth Proportional to 97,160.84, 134,082.42 and 54,720.12
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Solution
The fourth proportional to 97,160.84, 134,082.42 and 54,720.12 is: 75,514.03
Step by Step Solution
- Step 1: Write the proportion equation
97,160.84 : 134,082.42 = 54,720.12 : x - Step 2: Convert to fraction form
97,160.84/134,082.42 = 54,720.12/x - Step 3: Cross multiply
97,160.84x = 134,082.42 × 54,720.12 - Step 4: Simplify right side
97,160.84x = 7,337,006,112.29 - Step 5: Solve for x
x = 7,337,006,112.29/97,160.84 - Step 6: Final answer
x = 75,514.03
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1.5x scale
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.