Finding the Fourth Proportional to 86,299.97, 129,441.44 and 27,134.06
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Solution
The fourth proportional to 86,299.97, 129,441.44 and 27,134.06 is: 40,698.41
Step by Step Solution
- Step 1: Write the proportion equation
86,299.97 : 129,441.44 = 27,134.06 : x - Step 2: Convert to fraction form
86,299.97/129,441.44 = 27,134.06/x - Step 3: Cross multiply
86,299.97x = 129,441.44 × 27,134.06 - Step 4: Simplify right side
86,299.97x = 3,512,271,220.07 - Step 5: Solve for x
x = 3,512,271,220.07/86,299.97 - Step 6: Final answer
x = 40,698.41
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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.