Finding the Fourth Proportional to 79,827.06, 119,629.38 and 40,338.08
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Solution
The fourth proportional to 79,827.06, 119,629.38 and 40,338.08 is: 60,450.92
Step by Step Solution
- Step 1: Write the proportion equation
79,827.06 : 119,629.38 = 40,338.08 : x - Step 2: Convert to fraction form
79,827.06/119,629.38 = 40,338.08/x - Step 3: Cross multiply
79,827.06x = 119,629.38 × 40,338.08 - Step 4: Simplify right side
79,827.06x = 4,825,619,500.79 - Step 5: Solve for x
x = 4,825,619,500.79/79,827.06 - Step 6: Final answer
x = 60,450.92
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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.