Finding the Fourth Proportional to 80,725.51, 121,114.21 and 24,576.49
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Solution
The fourth proportional to 80,725.51, 121,114.21 and 24,576.49 is: 36,872.63
Step by Step Solution
- Step 1: Write the proportion equation
80,725.51 : 121,114.21 = 24,576.49 : x - Step 2: Convert to fraction form
80,725.51/121,114.21 = 24,576.49/x - Step 3: Cross multiply
80,725.51x = 121,114.21 × 24,576.49 - Step 4: Simplify right side
80,725.51x = 2,976,562,035.44 - Step 5: Solve for x
x = 2,976,562,035.44/80,725.51 - Step 6: Final answer
x = 36,872.63
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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.