Finding the Fourth Proportional to 96,933.10, 145,375.34 and 68,771.02
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Solution
The fourth proportional to 96,933.10, 145,375.34 and 68,771.02 is: 103,139.28
Step by Step Solution
- Step 1: Write the proportion equation
96,933.10 : 145,375.34 = 68,771.02 : x - Step 2: Convert to fraction form
96,933.10/145,375.34 = 68,771.02/x - Step 3: Cross multiply
96,933.10x = 145,375.34 × 68,771.02 - Step 4: Simplify right side
96,933.10x = 9,997,610,414.65 - Step 5: Solve for x
x = 9,997,610,414.65/96,933.10 - Step 6: Final answer
x = 103,139.28
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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.