Finding the Fourth Proportional to 86,943.29, 130,351.14 and 27,744.84
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Solution
The fourth proportional to 86,943.29, 130,351.14 and 27,744.84 is: 41,596.90
Step by Step Solution
- Step 1: Write the proportion equation
86,943.29 : 130,351.14 = 27,744.84 : x - Step 2: Convert to fraction form
86,943.29/130,351.14 = 27,744.84/x - Step 3: Cross multiply
86,943.29x = 130,351.14 × 27,744.84 - Step 4: Simplify right side
86,943.29x = 3,616,571,523.12 - Step 5: Solve for x
x = 3,616,571,523.12/86,943.29 - Step 6: Final answer
x = 41,596.90
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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.