Finding the Fourth Proportional to 94,177.08, 129,986.80 and 53,914.12
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Solution
The fourth proportional to 94,177.08, 129,986.80 and 53,914.12 is: 74,414.33
Step by Step Solution
- Step 1: Write the proportion equation
94,177.08 : 129,986.80 = 53,914.12 : x - Step 2: Convert to fraction form
94,177.08/129,986.80 = 53,914.12/x - Step 3: Cross multiply
94,177.08x = 129,986.80 × 53,914.12 - Step 4: Simplify right side
94,177.08x = 7,008,123,933.62 - Step 5: Solve for x
x = 7,008,123,933.62/94,177.08 - Step 6: Final answer
x = 74,414.33
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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.