Finding the Fourth Proportional to 106,911.70, 160,367.65 and 32,039.75
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Solution
The fourth proportional to 106,911.70, 160,367.65 and 32,039.75 is: 48,059.66
Step by Step Solution
- Step 1: Write the proportion equation
106,911.70 : 160,367.65 = 32,039.75 : x - Step 2: Convert to fraction form
106,911.70/160,367.65 = 32,039.75/x - Step 3: Cross multiply
106,911.70x = 160,367.65 × 32,039.75 - Step 4: Simplify right side
106,911.70x = 5,138,139,734.91 - Step 5: Solve for x
x = 5,138,139,734.91/106,911.70 - Step 6: Final answer
x = 48,059.66
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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.