Finding the Fourth Proportional to 73,751.11, 110,549.21 and 40,461.32
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Solution
The fourth proportional to 73,751.11, 110,549.21 and 40,461.32 is: 60,649.49
Step by Step Solution
- Step 1: Write the proportion equation
73,751.11 : 110,549.21 = 40,461.32 : x - Step 2: Convert to fraction form
73,751.11/110,549.21 = 40,461.32/x - Step 3: Cross multiply
73,751.11x = 110,549.21 × 40,461.32 - Step 4: Simplify right side
73,751.11x = 4,472,967,035.62 - Step 5: Solve for x
x = 4,472,967,035.62/73,751.11 - Step 6: Final answer
x = 60,649.49
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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.