Finding the Fourth Proportional to 88,974.63, 122,787.95 and 48,687.52
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Solution
The fourth proportional to 88,974.63, 122,787.95 and 48,687.52 is: 67,190.40
Step by Step Solution
- Step 1: Write the proportion equation
88,974.63 : 122,787.95 = 48,687.52 : x - Step 2: Convert to fraction form
88,974.63/122,787.95 = 48,687.52/x - Step 3: Cross multiply
88,974.63x = 122,787.95 × 48,687.52 - Step 4: Simplify right side
88,974.63x = 5,978,240,771.38 - Step 5: Solve for x
x = 5,978,240,771.38/88,974.63 - Step 6: Final answer
x = 67,190.40
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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.