Finding the Fourth Proportional to 68,608.96, 102,962.64 and 29,193.76
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Solution
The fourth proportional to 68,608.96, 102,962.64 and 29,193.76 is: 43,811.58
Step by Step Solution
- Step 1: Write the proportion equation
68,608.96 : 102,962.64 = 29,193.76 : x - Step 2: Convert to fraction form
68,608.96/102,962.64 = 29,193.76/x - Step 3: Cross multiply
68,608.96x = 102,962.64 × 29,193.76 - Step 4: Simplify right side
68,608.96x = 3,005,866,601.13 - Step 5: Solve for x
x = 3,005,866,601.13/68,608.96 - Step 6: Final answer
x = 43,811.58
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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.