Finding the Fourth Proportional to 88,738.19, 122,463.66 and 48,455.70
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Solution
The fourth proportional to 88,738.19, 122,463.66 and 48,455.70 is: 66,871.58
Step by Step Solution
- Step 1: Write the proportion equation
88,738.19 : 122,463.66 = 48,455.70 : x - Step 2: Convert to fraction form
88,738.19/122,463.66 = 48,455.70/x - Step 3: Cross multiply
88,738.19x = 122,463.66 × 48,455.70 - Step 4: Simplify right side
88,738.19x = 5,934,062,369.86 - Step 5: Solve for x
x = 5,934,062,369.86/88,738.19 - Step 6: Final answer
x = 66,871.58
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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.