Finding the Fourth Proportional to 76,502.96, 114,728.64 and 29,106.80
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Solution
The fourth proportional to 76,502.96, 114,728.64 and 29,106.80 is: 43,650.38
Step by Step Solution
- Step 1: Write the proportion equation
76,502.96 : 114,728.64 = 29,106.80 : x - Step 2: Convert to fraction form
76,502.96/114,728.64 = 29,106.80/x - Step 3: Cross multiply
76,502.96x = 114,728.64 × 29,106.80 - Step 4: Simplify right side
76,502.96x = 3,339,383,578.75 - Step 5: Solve for x
x = 3,339,383,578.75/76,502.96 - Step 6: Final answer
x = 43,650.38
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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.