Finding the Fourth Proportional to 75,508.26, 113,015.94 and 55,512.46
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Solution
The fourth proportional to 75,508.26, 113,015.94 and 55,512.46 is: 83,087.50
Step by Step Solution
- Step 1: Write the proportion equation
75,508.26 : 113,015.94 = 55,512.46 : x - Step 2: Convert to fraction form
75,508.26/113,015.94 = 55,512.46/x - Step 3: Cross multiply
75,508.26x = 113,015.94 × 55,512.46 - Step 4: Simplify right side
75,508.26x = 6,273,792,848.61 - Step 5: Solve for x
x = 6,273,792,848.61/75,508.26 - Step 6: Final answer
x = 83,087.50
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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.