Finding the Fourth Proportional to 68,224.73, 102,348.02 and 28,787.65
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Solution
The fourth proportional to 68,224.73, 102,348.02 and 28,787.65 is: 43,186.09
Step by Step Solution
- Step 1: Write the proportion equation
68,224.73 : 102,348.02 = 28,787.65 : x - Step 2: Convert to fraction form
68,224.73/102,348.02 = 28,787.65/x - Step 3: Cross multiply
68,224.73x = 102,348.02 × 28,787.65 - Step 4: Simplify right side
68,224.73x = 2,946,358,794.05 - Step 5: Solve for x
x = 2,946,358,794.05/68,224.73 - Step 6: Final answer
x = 43,186.09
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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.