Finding the Fourth Proportional to 90,366.16, 135,517.97 and 37,043.00
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Solution
The fourth proportional to 90,366.16, 135,517.97 and 37,043.00 is: 55,551.68
Step by Step Solution
- Step 1: Write the proportion equation
90,366.16 : 135,517.97 = 37,043.00 : x - Step 2: Convert to fraction form
90,366.16/135,517.97 = 37,043.00/x - Step 3: Cross multiply
90,366.16x = 135,517.97 × 37,043.00 - Step 4: Simplify right side
90,366.16x = 5,019,991,522.45 - Step 5: Solve for x
x = 5,019,991,522.45/90,366.16 - Step 6: Final answer
x = 55,551.68
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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.