Finding the Fourth Proportional to 79,845.12, 119,767.68 and 24,433.92
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Solution
The fourth proportional to 79,845.12, 119,767.68 and 24,433.92 is: 36,650.88
Step by Step Solution
- Step 1: Write the proportion equation
79,845.12 : 119,767.68 = 24,433.92 : x - Step 2: Convert to fraction form
79,845.12/119,767.68 = 24,433.92/x - Step 3: Cross multiply
79,845.12x = 119,767.68 × 24,433.92 - Step 4: Simplify right side
79,845.12x = 2,926,393,911.71 - Step 5: Solve for x
x = 2,926,393,911.71/79,845.12 - Step 6: Final answer
x = 36,650.88
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1.5x scale
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.