Finding the Fourth Proportional to 81,927.26, 113,023.08 and 66,882.08
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Solution
The fourth proportional to 81,927.26, 113,023.08 and 66,882.08 is: 92,267.44
Step by Step Solution
- Step 1: Write the proportion equation
81,927.26 : 113,023.08 = 66,882.08 : x - Step 2: Convert to fraction form
81,927.26/113,023.08 = 66,882.08/x - Step 3: Cross multiply
81,927.26x = 113,023.08 × 66,882.08 - Step 4: Simplify right side
81,927.26x = 7,559,218,678.41 - Step 5: Solve for x
x = 7,559,218,678.41/81,927.26 - Step 6: Final answer
x = 92,267.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.