Finding the Fourth Proportional to 68,128.44, 102,017.70 and 41,753.28
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Solution
The fourth proportional to 68,128.44, 102,017.70 and 41,753.28 is: 62,522.69
Step by Step Solution
- Step 1: Write the proportion equation
68,128.44 : 102,017.70 = 41,753.28 : x - Step 2: Convert to fraction form
68,128.44/102,017.70 = 41,753.28/x - Step 3: Cross multiply
68,128.44x = 102,017.70 × 41,753.28 - Step 4: Simplify right side
68,128.44x = 4,259,573,593.06 - Step 5: Solve for x
x = 4,259,573,593.06/68,128.44 - Step 6: Final answer
x = 62,522.69
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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.