Finding the Fourth Proportional to 75,449.88, 104,125.50 and 41,915.88
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Solution
The fourth proportional to 75,449.88, 104,125.50 and 41,915.88 is: 57,846.51
Step by Step Solution
- Step 1: Write the proportion equation
75,449.88 : 104,125.50 = 41,915.88 : x - Step 2: Convert to fraction form
75,449.88/104,125.50 = 41,915.88/x - Step 3: Cross multiply
75,449.88x = 104,125.50 × 41,915.88 - Step 4: Simplify right side
75,449.88x = 4,364,511,962.94 - Step 5: Solve for x
x = 4,364,511,962.94/75,449.88 - Step 6: Final answer
x = 57,846.51
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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.