Finding the Fourth Proportional to 86,446.04, 129,675.74 and 33,163.53
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Solution
The fourth proportional to 86,446.04, 129,675.74 and 33,163.53 is: 49,747.85
Step by Step Solution
- Step 1: Write the proportion equation
86,446.04 : 129,675.74 = 33,163.53 : x - Step 2: Convert to fraction form
86,446.04/129,675.74 = 33,163.53/x - Step 3: Cross multiply
86,446.04x = 129,675.74 × 33,163.53 - Step 4: Simplify right side
86,446.04x = 4,300,504,641.66 - Step 5: Solve for x
x = 4,300,504,641.66/86,446.04 - Step 6: Final answer
x = 49,747.85
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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.