Finding the Fourth Proportional to 68,589.96, 102,888.92 and 26,470.23
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Solution
The fourth proportional to 68,589.96, 102,888.92 and 26,470.23 is: 39,706.88
Step by Step Solution
- Step 1: Write the proportion equation
68,589.96 : 102,888.92 = 26,470.23 : x - Step 2: Convert to fraction form
68,589.96/102,888.92 = 26,470.23/x - Step 3: Cross multiply
68,589.96x = 102,888.92 × 26,470.23 - Step 4: Simplify right side
68,589.96x = 2,723,493,376.85 - Step 5: Solve for x
x = 2,723,493,376.85/68,589.96 - Step 6: Final answer
x = 39,706.88
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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.