Finding the Fourth Proportional to 68,509.98, 102,775.26 and 24,128.94
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Solution
The fourth proportional to 68,509.98, 102,775.26 and 24,128.94 is: 36,197.03
Step by Step Solution
- Step 1: Write the proportion equation
68,509.98 : 102,775.26 = 24,128.94 : x - Step 2: Convert to fraction form
68,509.98/102,775.26 = 24,128.94/x - Step 3: Cross multiply
68,509.98x = 102,775.26 × 24,128.94 - Step 4: Simplify right side
68,509.98x = 2,479,858,082.02 - Step 5: Solve for x
x = 2,479,858,082.02/68,509.98 - Step 6: Final answer
x = 36,197.03
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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.