Finding the Fourth Proportional to 79,856.21, 110,201.12 and 44,046.14
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Solution
The fourth proportional to 79,856.21, 110,201.12 and 44,046.14 is: 60,783.42
Step by Step Solution
- Step 1: Write the proportion equation
79,856.21 : 110,201.12 = 44,046.14 : x - Step 2: Convert to fraction form
79,856.21/110,201.12 = 44,046.14/x - Step 3: Cross multiply
79,856.21x = 110,201.12 × 44,046.14 - Step 4: Simplify right side
79,856.21x = 4,853,933,188.44 - Step 5: Solve for x
x = 4,853,933,188.44/79,856.21 - Step 6: Final answer
x = 60,783.42
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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.