Finding the Fourth Proportional to 79,850.94, 110,213.56 and 48,013.68
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Solution
The fourth proportional to 79,850.94, 110,213.56 and 48,013.68 is: 66,270.46
Step by Step Solution
- Step 1: Write the proportion equation
79,850.94 : 110,213.56 = 48,013.68 : x - Step 2: Convert to fraction form
79,850.94/110,213.56 = 48,013.68/x - Step 3: Cross multiply
79,850.94x = 110,213.56 × 48,013.68 - Step 4: Simplify right side
79,850.94x = 5,291,758,601.50 - Step 5: Solve for x
x = 5,291,758,601.50/79,850.94 - Step 6: Final answer
x = 66,270.46
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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.