Finding the Fourth Proportional to 88,499.41, 122,128.70 and 48,213.08
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Solution
The fourth proportional to 88,499.41, 122,128.70 and 48,213.08 is: 66,533.78
Step by Step Solution
- Step 1: Write the proportion equation
88,499.41 : 122,128.70 = 48,213.08 : x - Step 2: Convert to fraction form
88,499.41/122,128.70 = 48,213.08/x - Step 3: Cross multiply
88,499.41x = 122,128.70 × 48,213.08 - Step 4: Simplify right side
88,499.41x = 5,888,200,293.29 - Step 5: Solve for x
x = 5,888,200,293.29/88,499.41 - Step 6: Final answer
x = 66,533.78
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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.