Finding the Fourth Proportional to 89,585.11, 134,372.80 and 27,250.75
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Solution
The fourth proportional to 89,585.11, 134,372.80 and 27,250.75 is: 40,874.65
Step by Step Solution
- Step 1: Write the proportion equation
89,585.11 : 134,372.80 = 27,250.75 : x - Step 2: Convert to fraction form
89,585.11/134,372.80 = 27,250.75/x - Step 3: Cross multiply
89,585.11x = 134,372.80 × 27,250.75 - Step 4: Simplify right side
89,585.11x = 3,661,759,579.60 - Step 5: Solve for x
x = 3,661,759,579.60/89,585.11 - Step 6: Final answer
x = 40,874.65
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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.