Finding the Fourth Proportional to 74,489.96, 111,717.66 and 27,764.84
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Solution
The fourth proportional to 74,489.96, 111,717.66 and 27,764.84 is: 41,640.82
Step by Step Solution
- Step 1: Write the proportion equation
74,489.96 : 111,717.66 = 27,764.84 : x - Step 2: Convert to fraction form
74,489.96/111,717.66 = 27,764.84/x - Step 3: Cross multiply
74,489.96x = 111,717.66 × 27,764.84 - Step 4: Simplify right side
74,489.96x = 3,101,822,955.07 - Step 5: Solve for x
x = 3,101,822,955.07/74,489.96 - Step 6: Final answer
x = 41,640.82
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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.