Finding the Fourth Proportional to 80,908.28, 121,342.97 and 41,445.08
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Solution
The fourth proportional to 80,908.28, 121,342.97 and 41,445.08 is: 62,157.65
Step by Step Solution
- Step 1: Write the proportion equation
80,908.28 : 121,342.97 = 41,445.08 : x - Step 2: Convert to fraction form
80,908.28/121,342.97 = 41,445.08/x - Step 3: Cross multiply
80,908.28x = 121,342.97 × 41,445.08 - Step 4: Simplify right side
80,908.28x = 5,029,068,285.15 - Step 5: Solve for x
x = 5,029,068,285.15/80,908.28 - Step 6: Final answer
x = 62,157.65
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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.