Finding the Fourth Proportional to 75,974.09, 113,965.99 and 29,226.96
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Solution
The fourth proportional to 75,974.09, 113,965.99 and 29,226.96 is: 43,842.31
Step by Step Solution
- Step 1: Write the proportion equation
75,974.09 : 113,965.99 = 29,226.96 : x - Step 2: Convert to fraction form
75,974.09/113,965.99 = 29,226.96/x - Step 3: Cross multiply
75,974.09x = 113,965.99 × 29,226.96 - Step 4: Simplify right side
75,974.09x = 3,330,879,358.02 - Step 5: Solve for x
x = 3,330,879,358.02/75,974.09 - Step 6: Final answer
x = 43,842.31
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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.