Finding the Fourth Proportional to 84,539.22, 116,663.94 and 48,728.99
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Solution
The fourth proportional to 84,539.22, 116,663.94 and 48,728.99 is: 67,245.89
Step by Step Solution
- Step 1: Write the proportion equation
84,539.22 : 116,663.94 = 48,728.99 : x - Step 2: Convert to fraction form
84,539.22/116,663.94 = 48,728.99/x - Step 3: Cross multiply
84,539.22x = 116,663.94 × 48,728.99 - Step 4: Simplify right side
84,539.22x = 5,684,915,382.30 - Step 5: Solve for x
x = 5,684,915,382.30/84,539.22 - Step 6: Final answer
x = 67,245.89
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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.