Finding the Fourth Proportional to 75,322.17, 112,911.17 and 27,924.48
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Solution
The fourth proportional to 75,322.17, 112,911.17 and 27,924.48 is: 41,859.99
Step by Step Solution
- Step 1: Write the proportion equation
75,322.17 : 112,911.17 = 27,924.48 : x - Step 2: Convert to fraction form
75,322.17/112,911.17 = 27,924.48/x - Step 3: Cross multiply
75,322.17x = 112,911.17 × 27,924.48 - Step 4: Simplify right side
75,322.17x = 3,152,985,568.82 - Step 5: Solve for x
x = 3,152,985,568.82/75,322.17 - Step 6: Final answer
x = 41,859.99
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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.