Finding the Fourth Proportional to 96,932.10, 145,373.84 and 68,770.02
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Solution
The fourth proportional to 96,932.10, 145,373.84 and 68,770.02 is: 103,137.78
Step by Step Solution
- Step 1: Write the proportion equation
96,932.10 : 145,373.84 = 68,770.02 : x - Step 2: Convert to fraction form
96,932.10/145,373.84 = 68,770.02/x - Step 3: Cross multiply
96,932.10x = 145,373.84 × 68,770.02 - Step 4: Simplify right side
96,932.10x = 9,997,361,884.28 - Step 5: Solve for x
x = 9,997,361,884.28/96,932.10 - Step 6: Final answer
x = 103,137.78
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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.