Finding the Fourth Proportional to 74,527.43, 102,846.82 and 40,535.18
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Solution
The fourth proportional to 74,527.43, 102,846.82 and 40,535.18 is: 55,937.99
Step by Step Solution
- Step 1: Write the proportion equation
74,527.43 : 102,846.82 = 40,535.18 : x - Step 2: Convert to fraction form
74,527.43/102,846.82 = 40,535.18/x - Step 3: Cross multiply
74,527.43x = 102,846.82 × 40,535.18 - Step 4: Simplify right side
74,527.43x = 4,168,914,361.13 - Step 5: Solve for x
x = 4,168,914,361.13/74,527.43 - Step 6: Final answer
x = 55,937.99
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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.