Finding the Fourth Proportional to 80,757.91, 121,161.69 and 41,342.70
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Solution
The fourth proportional to 80,757.91, 121,161.69 and 41,342.70 is: 62,026.76
Step by Step Solution
- Step 1: Write the proportion equation
80,757.91 : 121,161.69 = 41,342.70 : x - Step 2: Convert to fraction form
80,757.91/121,161.69 = 41,342.70/x - Step 3: Cross multiply
80,757.91x = 121,161.69 × 41,342.70 - Step 4: Simplify right side
80,757.91x = 5,009,151,855.52 - Step 5: Solve for x
x = 5,009,151,855.52/80,757.91 - Step 6: Final answer
x = 62,026.76
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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.