Finding the Fourth Proportional to 74,738.57, 112,116.97 and 27,346.28
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Solution
The fourth proportional to 74,738.57, 112,116.97 and 27,346.28 is: 41,022.75
Step by Step Solution
- Step 1: Write the proportion equation
74,738.57 : 112,116.97 = 27,346.28 : x - Step 2: Convert to fraction form
74,738.57/112,116.97 = 27,346.28/x - Step 3: Cross multiply
74,738.57x = 112,116.97 × 27,346.28 - Step 4: Simplify right side
74,738.57x = 3,065,981,357.06 - Step 5: Solve for x
x = 3,065,981,357.06/74,738.57 - Step 6: Final answer
x = 41,022.75
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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.