Finding the Fourth Proportional to 71,218.26, 106,752.06 and 26,825.81
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Solution
The fourth proportional to 71,218.26, 106,752.06 and 26,825.81 is: 40,210.33
Step by Step Solution
- Step 1: Write the proportion equation
71,218.26 : 106,752.06 = 26,825.81 : x - Step 2: Convert to fraction form
71,218.26/106,752.06 = 26,825.81/x - Step 3: Cross multiply
71,218.26x = 106,752.06 × 26,825.81 - Step 4: Simplify right side
71,218.26x = 2,863,709,944.91 - Step 5: Solve for x
x = 2,863,709,944.91/71,218.26 - Step 6: Final answer
x = 40,210.33
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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.