Finding the Fourth Proportional to 75,433.26, 113,149.88 and 20,029.26
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Solution
The fourth proportional to 75,433.26, 113,149.88 and 20,029.26 is: 30,043.89
Step by Step Solution
- Step 1: Write the proportion equation
75,433.26 : 113,149.88 = 20,029.26 : x - Step 2: Convert to fraction form
75,433.26/113,149.88 = 20,029.26/x - Step 3: Cross multiply
75,433.26x = 113,149.88 × 20,029.26 - Step 4: Simplify right side
75,433.26x = 2,266,308,365.49 - Step 5: Solve for x
x = 2,266,308,365.49/75,433.26 - Step 6: Final answer
x = 30,043.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.