Finding the Fourth Proportional to 75,747.29, 104,540.42 and 43,917.53
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Solution
The fourth proportional to 75,747.29, 104,540.42 and 43,917.53 is: 60,611.50
Step by Step Solution
- Step 1: Write the proportion equation
75,747.29 : 104,540.42 = 43,917.53 : x - Step 2: Convert to fraction form
75,747.29/104,540.42 = 43,917.53/x - Step 3: Cross multiply
75,747.29x = 104,540.42 × 43,917.53 - Step 4: Simplify right side
75,747.29x = 4,591,156,618.65 - Step 5: Solve for x
x = 4,591,156,618.65/75,747.29 - Step 6: Final answer
x = 60,611.50
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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.