Finding the Fourth Proportional to 125,767.26, 173,555.46 and 71,329.44
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Solution
The fourth proportional to 125,767.26, 173,555.46 and 71,329.44 is: 98,432.72
Step by Step Solution
- Step 1: Write the proportion equation
125,767.26 : 173,555.46 = 71,329.44 : x - Step 2: Convert to fraction form
125,767.26/173,555.46 = 71,329.44/x - Step 3: Cross multiply
125,767.26x = 173,555.46 × 71,329.44 - Step 4: Simplify right side
125,767.26x = 12,379,613,770.74 - Step 5: Solve for x
x = 12,379,613,770.74/125,767.26 - Step 6: Final answer
x = 98,432.72
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1.5x scale
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.