Finding the Fourth Proportional to 67,491.18, 101,237.70 and 20,744.07
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Solution
The fourth proportional to 67,491.18, 101,237.70 and 20,744.07 is: 31,116.39
Step by Step Solution
- Step 1: Write the proportion equation
67,491.18 : 101,237.70 = 20,744.07 : x - Step 2: Convert to fraction form
67,491.18/101,237.70 = 20,744.07/x - Step 3: Cross multiply
67,491.18x = 101,237.70 × 20,744.07 - Step 4: Simplify right side
67,491.18x = 2,100,081,935.44 - Step 5: Solve for x
x = 2,100,081,935.44/67,491.18 - Step 6: Final answer
x = 31,116.39
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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.