Finding the Fourth Proportional to 89,107.05, 122,956.07 and 53,283.99
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Solution
The fourth proportional to 89,107.05, 122,956.07 and 53,283.99 is: 73,524.93
Step by Step Solution
- Step 1: Write the proportion equation
89,107.05 : 122,956.07 = 53,283.99 : x - Step 2: Convert to fraction form
89,107.05/122,956.07 = 53,283.99/x - Step 3: Cross multiply
89,107.05x = 122,956.07 × 53,283.99 - Step 4: Simplify right side
89,107.05x = 6,551,589,737.90 - Step 5: Solve for x
x = 6,551,589,737.90/89,107.05 - Step 6: Final answer
x = 73,524.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.