Finding the Fourth Proportional to 75,229.71, 112,852.01 and 27,857.44
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Solution
The fourth proportional to 75,229.71, 112,852.01 and 27,857.44 is: 41,788.92
Step by Step Solution
- Step 1: Write the proportion equation
75,229.71 : 112,852.01 = 27,857.44 : x - Step 2: Convert to fraction form
75,229.71/112,852.01 = 27,857.44/x - Step 3: Cross multiply
75,229.71x = 112,852.01 × 27,857.44 - Step 4: Simplify right side
75,229.71x = 3,143,768,097.45 - Step 5: Solve for x
x = 3,143,768,097.45/75,229.71 - Step 6: Final answer
x = 41,788.92
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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.