Finding the Fourth Proportional to 88,749.40, 122,469.60 and 48,455.39
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Solution
The fourth proportional to 88,749.40, 122,469.60 and 48,455.39 is: 66,865.95
Step by Step Solution
- Step 1: Write the proportion equation
88,749.40 : 122,469.60 = 48,455.39 : x - Step 2: Convert to fraction form
88,749.40/122,469.60 = 48,455.39/x - Step 3: Cross multiply
88,749.40x = 122,469.60 × 48,455.39 - Step 4: Simplify right side
88,749.40x = 5,934,312,231.14 - Step 5: Solve for x
x = 5,934,312,231.14/88,749.40 - Step 6: Final answer
x = 66,865.95
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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.