Finding the Fourth Proportional to 86,166.09, 129,224.02 and 33,563.07
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Solution
The fourth proportional to 86,166.09, 129,224.02 and 33,563.07 is: 50,334.82
Step by Step Solution
- Step 1: Write the proportion equation
86,166.09 : 129,224.02 = 33,563.07 : x - Step 2: Convert to fraction form
86,166.09/129,224.02 = 33,563.07/x - Step 3: Cross multiply
86,166.09x = 129,224.02 × 33,563.07 - Step 4: Simplify right side
86,166.09x = 4,337,154,828.94 - Step 5: Solve for x
x = 4,337,154,828.94/86,166.09 - Step 6: Final answer
x = 50,334.82
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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.