Finding the Fourth Proportional to 79,622.81, 119,302.99 and 46,249.19
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Solution
The fourth proportional to 79,622.81, 119,302.99 and 46,249.19 is: 69,297.56
Step by Step Solution
- Step 1: Write the proportion equation
79,622.81 : 119,302.99 = 46,249.19 : x - Step 2: Convert to fraction form
79,622.81/119,302.99 = 46,249.19/x - Step 3: Cross multiply
79,622.81x = 119,302.99 × 46,249.19 - Step 4: Simplify right side
79,622.81x = 5,517,665,939.94 - Step 5: Solve for x
x = 5,517,665,939.94/79,622.81 - Step 6: Final answer
x = 69,297.56
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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.