Finding the Fourth Proportional to 79,770.12, 119,655.66 and 24,366.12
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Solution
The fourth proportional to 79,770.12, 119,655.66 and 24,366.12 is: 36,549.33
Step by Step Solution
- Step 1: Write the proportion equation
79,770.12 : 119,655.66 = 24,366.12 : x - Step 2: Convert to fraction form
79,770.12/119,655.66 = 24,366.12/x - Step 3: Cross multiply
79,770.12x = 119,655.66 × 24,366.12 - Step 4: Simplify right side
79,770.12x = 2,915,544,170.24 - Step 5: Solve for x
x = 2,915,544,170.24/79,770.12 - Step 6: Final answer
x = 36,549.33
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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.