Finding the Fourth Proportional to 75,406.26, 104,060.62 and 41,872.26
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Solution
The fourth proportional to 75,406.26, 104,060.62 and 41,872.26 is: 57,783.71
Step by Step Solution
- Step 1: Write the proportion equation
75,406.26 : 104,060.62 = 41,872.26 : x - Step 2: Convert to fraction form
75,406.26/104,060.62 = 41,872.26/x - Step 3: Cross multiply
75,406.26x = 104,060.62 × 41,872.26 - Step 4: Simplify right side
75,406.26x = 4,357,253,336.40 - Step 5: Solve for x
x = 4,357,253,336.40/75,406.26 - Step 6: Final answer
x = 57,783.71
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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.