Finding the Fourth Proportional to 86,558.02, 129,824.01 and 27,385.99
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Solution
The fourth proportional to 86,558.02, 129,824.01 and 27,385.99 is: 41,074.86
Step by Step Solution
- Step 1: Write the proportion equation
86,558.02 : 129,824.01 = 27,385.99 : x - Step 2: Convert to fraction form
86,558.02/129,824.01 = 27,385.99/x - Step 3: Cross multiply
86,558.02x = 129,824.01 × 27,385.99 - Step 4: Simplify right side
86,558.02x = 3,555,358,715.06 - Step 5: Solve for x
x = 3,555,358,715.06/86,558.02 - Step 6: Final answer
x = 41,074.86
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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.