Finding the Fourth Proportional to 75,883.26, 113,731.65 and 53,702.94
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Solution
The fourth proportional to 75,883.26, 113,731.65 and 53,702.94 is: 80,488.42
Step by Step Solution
- Step 1: Write the proportion equation
75,883.26 : 113,731.65 = 53,702.94 : x - Step 2: Convert to fraction form
75,883.26/113,731.65 = 53,702.94/x - Step 3: Cross multiply
75,883.26x = 113,731.65 × 53,702.94 - Step 4: Simplify right side
75,883.26x = 6,107,723,976.05 - Step 5: Solve for x
x = 6,107,723,976.05/75,883.26 - Step 6: Final answer
x = 80,488.42
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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.