Finding the Fourth Proportional to 75,249.24, 112,879.44 and 25,329.12
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Solution
The fourth proportional to 75,249.24, 112,879.44 and 25,329.12 is: 37,995.56
Step by Step Solution
- Step 1: Write the proportion equation
75,249.24 : 112,879.44 = 25,329.12 : x - Step 2: Convert to fraction form
75,249.24/112,879.44 = 25,329.12/x - Step 3: Cross multiply
75,249.24x = 112,879.44 × 25,329.12 - Step 4: Simplify right side
75,249.24x = 2,859,136,881.29 - Step 5: Solve for x
x = 2,859,136,881.29/75,249.24 - Step 6: Final answer
x = 37,995.56
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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.