Finding the Fourth Proportional to 71,004.08, 106,542.24 and 47,327.84
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Solution
The fourth proportional to 71,004.08, 106,542.24 and 47,327.84 is: 71,015.84
Step by Step Solution
- Step 1: Write the proportion equation
71,004.08 : 106,542.24 = 47,327.84 : x - Step 2: Convert to fraction form
71,004.08/106,542.24 = 47,327.84/x - Step 3: Cross multiply
71,004.08x = 106,542.24 × 47,327.84 - Step 4: Simplify right side
71,004.08x = 5,042,414,087.96 - Step 5: Solve for x
x = 5,042,414,087.96/71,004.08 - Step 6: Final answer
x = 71,015.84
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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.