Finding the Fourth Proportional to 71,612.96, 107,391.84 and 27,216.32
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Solution
The fourth proportional to 71,612.96, 107,391.84 and 27,216.32 is: 40,813.99
Step by Step Solution
- Step 1: Write the proportion equation
71,612.96 : 107,391.84 = 27,216.32 : x - Step 2: Convert to fraction form
71,612.96/107,391.84 = 27,216.32/x - Step 3: Cross multiply
71,612.96x = 107,391.84 × 27,216.32 - Step 4: Simplify right side
71,612.96x = 2,922,810,682.83 - Step 5: Solve for x
x = 2,922,810,682.83/71,612.96 - Step 6: Final answer
x = 40,813.99
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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.