Finding the Fourth Proportional to 88,799.13, 122,542.34 and 48,512.43
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Solution
The fourth proportional to 88,799.13, 122,542.34 and 48,512.43 is: 66,946.90
Step by Step Solution
- Step 1: Write the proportion equation
88,799.13 : 122,542.34 = 48,512.43 : x - Step 2: Convert to fraction form
88,799.13/122,542.34 = 48,512.43/x - Step 3: Cross multiply
88,799.13x = 122,542.34 × 48,512.43 - Step 4: Simplify right side
88,799.13x = 5,944,826,448.72 - Step 5: Solve for x
x = 5,944,826,448.72/88,799.13 - Step 6: Final answer
x = 66,946.90
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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.