Finding the Fourth Proportional to 86,373.97, 129,581.44 and 27,209.48
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Solution
The fourth proportional to 86,373.97, 129,581.44 and 27,209.48 is: 40,820.67
Step by Step Solution
- Step 1: Write the proportion equation
86,373.97 : 129,581.44 = 27,209.48 : x - Step 2: Convert to fraction form
86,373.97/129,581.44 = 27,209.48/x - Step 3: Cross multiply
86,373.97x = 129,581.44 × 27,209.48 - Step 4: Simplify right side
86,373.97x = 3,525,842,884.12 - Step 5: Solve for x
x = 3,525,842,884.12/86,373.97 - Step 6: Final answer
x = 40,820.67
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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.