Finding the Fourth Proportional to 88,865.60, 122,634.77 and 48,579.84
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Solution
The fourth proportional to 88,865.60, 122,634.77 and 48,579.84 is: 67,040.31
Step by Step Solution
- Step 1: Write the proportion equation
88,865.60 : 122,634.77 = 48,579.84 : x - Step 2: Convert to fraction form
88,865.60/122,634.77 = 48,579.84/x - Step 3: Cross multiply
88,865.60x = 122,634.77 × 48,579.84 - Step 4: Simplify right side
88,865.60x = 5,957,577,262.14 - Step 5: Solve for x
x = 5,957,577,262.14/88,865.60 - Step 6: Final answer
x = 67,040.31
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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.