Finding the Fourth Proportional to 79,717.62, 119,430.60 and 37,632.48
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Solution
The fourth proportional to 79,717.62, 119,430.60 and 37,632.48 is: 56,379.88
Step by Step Solution
- Step 1: Write the proportion equation
79,717.62 : 119,430.60 = 37,632.48 : x - Step 2: Convert to fraction form
79,717.62/119,430.60 = 37,632.48/x - Step 3: Cross multiply
79,717.62x = 119,430.60 × 37,632.48 - Step 4: Simplify right side
79,717.62x = 4,494,469,665.89 - Step 5: Solve for x
x = 4,494,469,665.89/79,717.62 - Step 6: Final answer
x = 56,379.88
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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.