Finding the Fourth Proportional to 75,974.79, 104,845.44 and 41,519.94
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Solution
The fourth proportional to 75,974.79, 104,845.44 and 41,519.94 is: 57,297.64
Step by Step Solution
- Step 1: Write the proportion equation
75,974.79 : 104,845.44 = 41,519.94 : x - Step 2: Convert to fraction form
75,974.79/104,845.44 = 41,519.94/x - Step 3: Cross multiply
75,974.79x = 104,845.44 × 41,519.94 - Step 4: Simplify right side
75,974.79x = 4,353,176,496.81 - Step 5: Solve for x
x = 4,353,176,496.81/75,974.79 - Step 6: Final answer
x = 57,297.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.