Finding the Fourth Proportional to 79,917.66, 119,865.12 and 32,553.42
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Solution
The fourth proportional to 79,917.66, 119,865.12 and 32,553.42 is: 48,825.50
Step by Step Solution
- Step 1: Write the proportion equation
79,917.66 : 119,865.12 = 32,553.42 : x - Step 2: Convert to fraction form
79,917.66/119,865.12 = 32,553.42/x - Step 3: Cross multiply
79,917.66x = 119,865.12 × 32,553.42 - Step 4: Simplify right side
79,917.66x = 3,902,019,594.71 - Step 5: Solve for x
x = 3,902,019,594.71/79,917.66 - Step 6: Final answer
x = 48,825.50
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1.5x scale
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.