Finding the Fourth Proportional to 68,517.08, 102,757.80 and 29,053.88
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Solution
The fourth proportional to 68,517.08, 102,757.80 and 29,053.88 is: 43,573.26
Step by Step Solution
- Step 1: Write the proportion equation
68,517.08 : 102,757.80 = 29,053.88 : x - Step 2: Convert to fraction form
68,517.08/102,757.80 = 29,053.88/x - Step 3: Cross multiply
68,517.08x = 102,757.80 × 29,053.88 - Step 4: Simplify right side
68,517.08x = 2,985,512,790.26 - Step 5: Solve for x
x = 2,985,512,790.26/68,517.08 - Step 6: Final answer
x = 43,573.26
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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.