Finding the Fourth Proportional to 68,175.26, 102,126.75 and 54,159.02
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Solution
The fourth proportional to 68,175.26, 102,126.75 and 54,159.02 is: 81,130.38
Step by Step Solution
- Step 1: Write the proportion equation
68,175.26 : 102,126.75 = 54,159.02 : x - Step 2: Convert to fraction form
68,175.26/102,126.75 = 54,159.02/x - Step 3: Cross multiply
68,175.26x = 102,126.75 × 54,159.02 - Step 4: Simplify right side
68,175.26x = 5,531,084,695.79 - Step 5: Solve for x
x = 5,531,084,695.79/68,175.26 - Step 6: Final answer
x = 81,130.38
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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.