Finding the Fourth Proportional to 85,738.36, 118,315.62 and 48,010.68
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Solution
The fourth proportional to 85,738.36, 118,315.62 and 48,010.68 is: 66,252.88
Step by Step Solution
- Step 1: Write the proportion equation
85,738.36 : 118,315.62 = 48,010.68 : x - Step 2: Convert to fraction form
85,738.36/118,315.62 = 48,010.68/x - Step 3: Cross multiply
85,738.36x = 118,315.62 × 48,010.68 - Step 4: Simplify right side
85,738.36x = 5,680,413,370.82 - Step 5: Solve for x
x = 5,680,413,370.82/85,738.36 - Step 6: Final answer
x = 66,252.88
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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.