Finding the Fourth Proportional to 84,370.68, 126,493.36 and 51,082.80
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Solution
The fourth proportional to 84,370.68, 126,493.36 and 51,082.80 is: 76,586.26
Step by Step Solution
- Step 1: Write the proportion equation
84,370.68 : 126,493.36 = 51,082.80 : x - Step 2: Convert to fraction form
84,370.68/126,493.36 = 51,082.80/x - Step 3: Cross multiply
84,370.68x = 126,493.36 × 51,082.80 - Step 4: Simplify right side
84,370.68x = 6,461,635,010.21 - Step 5: Solve for x
x = 6,461,635,010.21/84,370.68 - Step 6: Final answer
x = 76,586.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.