Finding the Fourth Proportional to 68,669.37, 102,971.12 and 29,205.09
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Solution
The fourth proportional to 68,669.37, 102,971.12 and 29,205.09 is: 43,793.63
Step by Step Solution
- Step 1: Write the proportion equation
68,669.37 : 102,971.12 = 29,205.09 : x - Step 2: Convert to fraction form
68,669.37/102,971.12 = 29,205.09/x - Step 3: Cross multiply
68,669.37x = 102,971.12 × 29,205.09 - Step 4: Simplify right side
68,669.37x = 3,007,280,680.98 - Step 5: Solve for x
x = 3,007,280,680.98/68,669.37 - Step 6: Final answer
x = 43,793.63
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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.