Finding the Fourth Proportional to 106,343.76, 159,505.84 and 32,471.76
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Solution
The fourth proportional to 106,343.76, 159,505.84 and 32,471.76 is: 48,704.65
Step by Step Solution
- Step 1: Write the proportion equation
106,343.76 : 159,505.84 = 32,471.76 : x - Step 2: Convert to fraction form
106,343.76/159,505.84 = 32,471.76/x - Step 3: Cross multiply
106,343.76x = 159,505.84 × 32,471.76 - Step 4: Simplify right side
106,343.76x = 5,179,435,355.08 - Step 5: Solve for x
x = 5,179,435,355.08/106,343.76 - Step 6: Final answer
x = 48,704.65
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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.