Finding the Fourth Proportional to 94,107.68, 129,843.25 and 53,813.12
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Solution
The fourth proportional to 94,107.68, 129,843.25 and 53,813.12 is: 74,247.61
Step by Step Solution
- Step 1: Write the proportion equation
94,107.68 : 129,843.25 = 53,813.12 : x - Step 2: Convert to fraction form
94,107.68/129,843.25 = 53,813.12/x - Step 3: Cross multiply
94,107.68x = 129,843.25 × 53,813.12 - Step 4: Simplify right side
94,107.68x = 6,987,270,393.44 - Step 5: Solve for x
x = 6,987,270,393.44/94,107.68 - Step 6: Final answer
x = 74,247.61
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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.