Finding the Fourth Proportional to 79,771.05, 110,084.80 and 43,962.37
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Solution
The fourth proportional to 79,771.05, 110,084.80 and 43,962.37 is: 60,668.48
Step by Step Solution
- Step 1: Write the proportion equation
79,771.05 : 110,084.80 = 43,962.37 : x - Step 2: Convert to fraction form
79,771.05/110,084.80 = 43,962.37/x - Step 3: Cross multiply
79,771.05x = 110,084.80 × 43,962.37 - Step 4: Simplify right side
79,771.05x = 4,839,588,708.98 - Step 5: Solve for x
x = 4,839,588,708.98/79,771.05 - Step 6: Final answer
x = 60,668.48
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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.