Finding the Fourth Proportional to 68,589.06, 102,876.18 and 21,838.26
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Solution
The fourth proportional to 68,589.06, 102,876.18 and 21,838.26 is: 32,755.03
Step by Step Solution
- Step 1: Write the proportion equation
68,589.06 : 102,876.18 = 21,838.26 : x - Step 2: Convert to fraction form
68,589.06/102,876.18 = 21,838.26/x - Step 3: Cross multiply
68,589.06x = 102,876.18 × 21,838.26 - Step 4: Simplify right side
68,589.06x = 2,246,636,766.65 - Step 5: Solve for x
x = 2,246,636,766.65/68,589.06 - Step 6: Final answer
x = 32,755.03
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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.