Finding the Fourth Proportional to 75,485.66, 113,228.49 and 33,884.06
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Solution
The fourth proportional to 75,485.66, 113,228.49 and 33,884.06 is: 50,826.09
Step by Step Solution
- Step 1: Write the proportion equation
75,485.66 : 113,228.49 = 33,884.06 : x - Step 2: Convert to fraction form
75,485.66/113,228.49 = 33,884.06/x - Step 3: Cross multiply
75,485.66x = 113,228.49 × 33,884.06 - Step 4: Simplify right side
75,485.66x = 3,836,640,948.87 - Step 5: Solve for x
x = 3,836,640,948.87/75,485.66 - Step 6: Final answer
x = 50,826.09
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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.