Finding the Fourth Proportional to 88,960.36, 122,763.45 and 48,674.02
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Solution
The fourth proportional to 88,960.36, 122,763.45 and 48,674.02 is: 67,169.14
Step by Step Solution
- Step 1: Write the proportion equation
88,960.36 : 122,763.45 = 48,674.02 : x - Step 2: Convert to fraction form
88,960.36/122,763.45 = 48,674.02/x - Step 3: Cross multiply
88,960.36x = 122,763.45 × 48,674.02 - Step 4: Simplify right side
88,960.36x = 5,975,390,620.57 - Step 5: Solve for x
x = 5,975,390,620.57/88,960.36 - Step 6: Final answer
x = 67,169.14
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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.