Finding the Fourth Proportional to 94,135.52, 129,907.73 and 53,846.80
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Solution
The fourth proportional to 94,135.52, 129,907.73 and 53,846.80 is: 74,308.99
Step by Step Solution
- Step 1: Write the proportion equation
94,135.52 : 129,907.73 = 53,846.80 : x - Step 2: Convert to fraction form
94,135.52/129,907.73 = 53,846.80/x - Step 3: Cross multiply
94,135.52x = 129,907.73 × 53,846.80 - Step 4: Simplify right side
94,135.52x = 6,995,115,555.76 - Step 5: Solve for x
x = 6,995,115,555.76/94,135.52 - Step 6: Final answer
x = 74,308.99
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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.