Finding the Fourth Proportional to 88,679.91, 122,378.62 and 48,394.56
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Solution
The fourth proportional to 88,679.91, 122,378.62 and 48,394.56 is: 66,784.68
Step by Step Solution
- Step 1: Write the proportion equation
88,679.91 : 122,378.62 = 48,394.56 : x - Step 2: Convert to fraction form
88,679.91/122,378.62 = 48,394.56/x - Step 3: Cross multiply
88,679.91x = 122,378.62 × 48,394.56 - Step 4: Simplify right side
88,679.91x = 5,922,459,468.31 - Step 5: Solve for x
x = 5,922,459,468.31/88,679.91 - Step 6: Final answer
x = 66,784.68
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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.