Finding the Fourth Proportional to 76,506.53, 114,750.66 and 20,350.75
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Solution
The fourth proportional to 76,506.53, 114,750.66 and 20,350.75 is: 30,523.69
Step by Step Solution
- Step 1: Write the proportion equation
76,506.53 : 114,750.66 = 20,350.75 : x - Step 2: Convert to fraction form
76,506.53/114,750.66 = 20,350.75/x - Step 3: Cross multiply
76,506.53x = 114,750.66 × 20,350.75 - Step 4: Simplify right side
76,506.53x = 2,335,261,783.43 - Step 5: Solve for x
x = 2,335,261,783.43/76,506.53 - Step 6: Final answer
x = 30,523.69
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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.