Finding the Fourth Proportional to 68,175.76, 102,177.48 and 30,695.92
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Solution
The fourth proportional to 68,175.76, 102,177.48 and 30,695.92 is: 46,005.09
Step by Step Solution
- Step 1: Write the proportion equation
68,175.76 : 102,177.48 = 30,695.92 : x - Step 2: Convert to fraction form
68,175.76/102,177.48 = 30,695.92/x - Step 3: Cross multiply
68,175.76x = 102,177.48 × 30,695.92 - Step 4: Simplify right side
68,175.76x = 3,136,431,751.88 - Step 5: Solve for x
x = 3,136,431,751.88/68,175.76 - Step 6: Final answer
x = 46,005.09
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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.