Finding the Fourth Proportional to 74,371.44, 102,630.84 and 43,744.56
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Solution
The fourth proportional to 74,371.44, 102,630.84 and 43,744.56 is: 60,366.47
Step by Step Solution
- Step 1: Write the proportion equation
74,371.44 : 102,630.84 = 43,744.56 : x - Step 2: Convert to fraction form
74,371.44/102,630.84 = 43,744.56/x - Step 3: Cross multiply
74,371.44x = 102,630.84 × 43,744.56 - Step 4: Simplify right side
74,371.44x = 4,489,540,938.23 - Step 5: Solve for x
x = 4,489,540,938.23/74,371.44 - Step 6: Final answer
x = 60,366.47
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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.