Finding the Fourth Proportional to 68,471.19, 102,621.96 and 38,799.05
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Solution
The fourth proportional to 68,471.19, 102,621.96 and 38,799.05 is: 58,150.50
Step by Step Solution
- Step 1: Write the proportion equation
68,471.19 : 102,621.96 = 38,799.05 : x - Step 2: Convert to fraction form
68,471.19/102,621.96 = 38,799.05/x - Step 3: Cross multiply
68,471.19x = 102,621.96 × 38,799.05 - Step 4: Simplify right side
68,471.19x = 3,981,634,044.03 - Step 5: Solve for x
x = 3,981,634,044.03/68,471.19 - Step 6: Final answer
x = 58,150.50
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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.