Finding the Fourth Proportional to 88,960.20, 122,762.55 and 48,673.09
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Solution
The fourth proportional to 88,960.20, 122,762.55 and 48,673.09 is: 67,167.48
Step by Step Solution
- Step 1: Write the proportion equation
88,960.20 : 122,762.55 = 48,673.09 : x - Step 2: Convert to fraction form
88,960.20/122,762.55 = 48,673.09/x - Step 3: Cross multiply
88,960.20x = 122,762.55 × 48,673.09 - Step 4: Simplify right side
88,960.20x = 5,975,232,644.78 - Step 5: Solve for x
x = 5,975,232,644.78/88,960.20 - Step 6: Final answer
x = 67,167.48
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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.