Finding the Fourth Proportional to 73,027.20, 100,753.92 and 40,756.62
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Solution
The fourth proportional to 73,027.20, 100,753.92 and 40,756.62 is: 56,230.96
Step by Step Solution
- Step 1: Write the proportion equation
73,027.20 : 100,753.92 = 40,756.62 : x - Step 2: Convert to fraction form
73,027.20/100,753.92 = 40,756.62/x - Step 3: Cross multiply
73,027.20x = 100,753.92 × 40,756.62 - Step 4: Simplify right side
73,027.20x = 4,106,389,230.95 - Step 5: Solve for x
x = 4,106,389,230.95/73,027.20 - Step 6: Final answer
x = 56,230.96
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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.