Finding the Fourth Proportional to 74,293.75, 102,527.18 and 40,759.75
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Solution
The fourth proportional to 74,293.75, 102,527.18 and 40,759.75 is: 56,249.44
Step by Step Solution
- Step 1: Write the proportion equation
74,293.75 : 102,527.18 = 40,759.75 : x - Step 2: Convert to fraction form
74,293.75/102,527.18 = 40,759.75/x - Step 3: Cross multiply
74,293.75x = 102,527.18 × 40,759.75 - Step 4: Simplify right side
74,293.75x = 4,178,982,021.21 - Step 5: Solve for x
x = 4,178,982,021.21/74,293.75 - Step 6: Final answer
x = 56,249.44
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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.