Finding the Fourth Proportional to 126,082.24, 173,992.60 and 69,493.68
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Solution
The fourth proportional to 126,082.24, 173,992.60 and 69,493.68 is: 95,900.79
Step by Step Solution
- Step 1: Write the proportion equation
126,082.24 : 173,992.60 = 69,493.68 : x - Step 2: Convert to fraction form
126,082.24/173,992.60 = 69,493.68/x - Step 3: Cross multiply
126,082.24x = 173,992.60 × 69,493.68 - Step 4: Simplify right side
126,082.24x = 12,091,386,066.77 - Step 5: Solve for x
x = 12,091,386,066.77/126,082.24 - Step 6: Final answer
x = 95,900.79
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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.