Finding the Fourth Proportional to 68,888.63, 103,236.71 and 37,230.44
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Solution
The fourth proportional to 68,888.63, 103,236.71 and 37,230.44 is: 55,793.65
Step by Step Solution
- Step 1: Write the proportion equation
68,888.63 : 103,236.71 = 37,230.44 : x - Step 2: Convert to fraction form
68,888.63/103,236.71 = 37,230.44/x - Step 3: Cross multiply
68,888.63x = 103,236.71 × 37,230.44 - Step 4: Simplify right side
68,888.63x = 3,843,548,137.45 - Step 5: Solve for x
x = 3,843,548,137.45/68,888.63 - Step 6: Final answer
x = 55,793.65
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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.