Finding the Fourth Proportional to 88,230.92, 121,759.44 and 47,944.68
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Solution
The fourth proportional to 88,230.92, 121,759.44 and 47,944.68 is: 66,164.08
Step by Step Solution
- Step 1: Write the proportion equation
88,230.92 : 121,759.44 = 47,944.68 : x - Step 2: Convert to fraction form
88,230.92/121,759.44 = 47,944.68/x - Step 3: Cross multiply
88,230.92x = 121,759.44 × 47,944.68 - Step 4: Simplify right side
88,230.92x = 5,837,717,387.78 - Step 5: Solve for x
x = 5,837,717,387.78/88,230.92 - Step 6: Final answer
x = 66,164.08
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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.