Finding the Fourth Proportional to 101,622.24, 140,213.36 and 58,614.88
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Solution
The fourth proportional to 101,622.24, 140,213.36 and 58,614.88 is: 80,873.92
Step by Step Solution
- Step 1: Write the proportion equation
101,622.24 : 140,213.36 = 58,614.88 : x - Step 2: Convert to fraction form
101,622.24/140,213.36 = 58,614.88/x - Step 3: Cross multiply
101,622.24x = 140,213.36 × 58,614.88 - Step 4: Simplify right side
101,622.24x = 8,218,589,270.80 - Step 5: Solve for x
x = 8,218,589,270.80/101,622.24 - Step 6: Final answer
x = 80,873.92
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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.