Finding the Fourth Proportional to 79,828.40, 110,163.96 and 44,019.68
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Solution
The fourth proportional to 79,828.40, 110,163.96 and 44,019.68 is: 60,747.58
Step by Step Solution
- Step 1: Write the proportion equation
79,828.40 : 110,163.96 = 44,019.68 : x - Step 2: Convert to fraction form
79,828.40/110,163.96 = 44,019.68/x - Step 3: Cross multiply
79,828.40x = 110,163.96 × 44,019.68 - Step 4: Simplify right side
79,828.40x = 4,849,382,266.73 - Step 5: Solve for x
x = 4,849,382,266.73/79,828.40 - Step 6: Final answer
x = 60,747.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.