Finding the Fourth Proportional to 83,826.62, 125,736.66 and 28,422.62
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Solution
The fourth proportional to 83,826.62, 125,736.66 and 28,422.62 is: 42,632.82
Step by Step Solution
- Step 1: Write the proportion equation
83,826.62 : 125,736.66 = 28,422.62 : x - Step 2: Convert to fraction form
83,826.62/125,736.66 = 28,422.62/x - Step 3: Cross multiply
83,826.62x = 125,736.66 × 28,422.62 - Step 4: Simplify right side
83,826.62x = 3,573,765,307.25 - Step 5: Solve for x
x = 3,573,765,307.25/83,826.62 - Step 6: Final answer
x = 42,632.82
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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.