Finding the Fourth Proportional to 99,912.47, 149,866.57 and 32,444.43
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Solution
The fourth proportional to 99,912.47, 149,866.57 and 32,444.43 is: 48,665.95
Step by Step Solution
- Step 1: Write the proportion equation
99,912.47 : 149,866.57 = 32,444.43 : x - Step 2: Convert to fraction form
99,912.47/149,866.57 = 32,444.43/x - Step 3: Cross multiply
99,912.47x = 149,866.57 × 32,444.43 - Step 4: Simplify right side
99,912.47x = 4,862,335,761.26 - Step 5: Solve for x
x = 4,862,335,761.26/99,912.47 - Step 6: Final answer
x = 48,665.95
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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.