Finding the Fourth Proportional to 75,452.99, 113,007.15 and 36,037.98
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Solution
The fourth proportional to 75,452.99, 113,007.15 and 36,037.98 is: 53,974.66
Step by Step Solution
- Step 1: Write the proportion equation
75,452.99 : 113,007.15 = 36,037.98 : x - Step 2: Convert to fraction form
75,452.99/113,007.15 = 36,037.98/x - Step 3: Cross multiply
75,452.99x = 113,007.15 × 36,037.98 - Step 4: Simplify right side
75,452.99x = 4,072,549,411.56 - Step 5: Solve for x
x = 4,072,549,411.56/75,452.99 - Step 6: Final answer
x = 53,974.66
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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.