Finding the Fourth Proportional to 75,868.44, 104,747.76 and 67,896.96
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Solution
The fourth proportional to 75,868.44, 104,747.76 and 67,896.96 is: 93,741.94
Step by Step Solution
- Step 1: Write the proportion equation
75,868.44 : 104,747.76 = 67,896.96 : x - Step 2: Convert to fraction form
75,868.44/104,747.76 = 67,896.96/x - Step 3: Cross multiply
75,868.44x = 104,747.76 × 67,896.96 - Step 4: Simplify right side
75,868.44x = 7,112,054,470.81 - Step 5: Solve for x
x = 7,112,054,470.81/75,868.44 - Step 6: Final answer
x = 93,741.94
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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.