Finding the Fourth Proportional to 88,568.30, 122,221.40 and 48,281.42
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Solution
The fourth proportional to 88,568.30, 122,221.40 and 48,281.42 is: 66,626.80
Step by Step Solution
- Step 1: Write the proportion equation
88,568.30 : 122,221.40 = 48,281.42 : x - Step 2: Convert to fraction form
88,568.30/122,221.40 = 48,281.42/x - Step 3: Cross multiply
88,568.30x = 122,221.40 × 48,281.42 - Step 4: Simplify right side
88,568.30x = 5,901,022,746.39 - Step 5: Solve for x
x = 5,901,022,746.39/88,568.30 - Step 6: Final answer
x = 66,626.80
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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.