Finding the Fourth Proportional to 83,920.14, 125,850.21 and 27,749.88
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Solution
The fourth proportional to 83,920.14, 125,850.21 and 27,749.88 is: 41,614.90
Step by Step Solution
- Step 1: Write the proportion equation
83,920.14 : 125,850.21 = 27,749.88 : x - Step 2: Convert to fraction form
83,920.14/125,850.21 = 27,749.88/x - Step 3: Cross multiply
83,920.14x = 125,850.21 × 27,749.88 - Step 4: Simplify right side
83,920.14x = 3,492,328,225.47 - Step 5: Solve for x
x = 3,492,328,225.47/83,920.14 - Step 6: Final answer
x = 41,614.90
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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.