Finding the Fourth Proportional to 75,037.99, 112,556.99 and 30,664.70
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Solution
The fourth proportional to 75,037.99, 112,556.99 and 30,664.70 is: 45,997.05
Step by Step Solution
- Step 1: Write the proportion equation
75,037.99 : 112,556.99 = 30,664.70 : x - Step 2: Convert to fraction form
75,037.99/112,556.99 = 30,664.70/x - Step 3: Cross multiply
75,037.99x = 112,556.99 × 30,664.70 - Step 4: Simplify right side
75,037.99x = 3,451,526,331.25 - Step 5: Solve for x
x = 3,451,526,331.25/75,037.99 - Step 6: Final answer
x = 45,997.05
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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.