Finding the Fourth Proportional to 75,905.30, 113,244.23 and 68,338.97
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Solution
The fourth proportional to 75,905.30, 113,244.23 and 68,338.97 is: 101,955.90
Step by Step Solution
- Step 1: Write the proportion equation
75,905.30 : 113,244.23 = 68,338.97 : x - Step 2: Convert to fraction form
75,905.30/113,244.23 = 68,338.97/x - Step 3: Cross multiply
75,905.30x = 113,244.23 × 68,338.97 - Step 4: Simplify right side
75,905.30x = 7,738,993,363.03 - Step 5: Solve for x
x = 7,738,993,363.03/75,905.30 - Step 6: Final answer
x = 101,955.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.