Finding the Fourth Proportional to 77,336.60, 115,990.26 and 27,414.68
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Solution
The fourth proportional to 77,336.60, 115,990.26 and 27,414.68 is: 41,116.83
Step by Step Solution
- Step 1: Write the proportion equation
77,336.60 : 115,990.26 = 27,414.68 : x - Step 2: Convert to fraction form
77,336.60/115,990.26 = 27,414.68/x - Step 3: Cross multiply
77,336.60x = 115,990.26 × 27,414.68 - Step 4: Simplify right side
77,336.60x = 3,179,835,861.02 - Step 5: Solve for x
x = 3,179,835,861.02/77,336.60 - Step 6: Final answer
x = 41,116.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.