Finding the Fourth Proportional to 80,743.70, 121,133.99 and 24,591.77
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Solution
The fourth proportional to 80,743.70, 121,133.99 and 24,591.77 is: 36,893.27
Step by Step Solution
- Step 1: Write the proportion equation
80,743.70 : 121,133.99 = 24,591.77 : x - Step 2: Convert to fraction form
80,743.70/121,133.99 = 24,591.77/x - Step 3: Cross multiply
80,743.70x = 121,133.99 × 24,591.77 - Step 4: Simplify right side
80,743.70x = 2,978,899,221.26 - Step 5: Solve for x
x = 2,978,899,221.26/80,743.70 - Step 6: Final answer
x = 36,893.27
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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.