Finding the Fourth Proportional to 79,907.27, 110,313.49 and 58,372.84
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Solution
The fourth proportional to 79,907.27, 110,313.49 and 58,372.84 is: 80,584.79
Step by Step Solution
- Step 1: Write the proportion equation
79,907.27 : 110,313.49 = 58,372.84 : x - Step 2: Convert to fraction form
79,907.27/110,313.49 = 58,372.84/x - Step 3: Cross multiply
79,907.27x = 110,313.49 × 58,372.84 - Step 4: Simplify right side
79,907.27x = 6,439,310,858.18 - Step 5: Solve for x
x = 6,439,310,858.18/79,907.27 - Step 6: Final answer
x = 80,584.79
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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.