Finding the Fourth Proportional to 67,497.80, 101,246.70 and 54,375.80
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Solution
The fourth proportional to 67,497.80, 101,246.70 and 54,375.80 is: 81,563.70
Step by Step Solution
- Step 1: Write the proportion equation
67,497.80 : 101,246.70 = 54,375.80 : x - Step 2: Convert to fraction form
67,497.80/101,246.70 = 54,375.80/x - Step 3: Cross multiply
67,497.80x = 101,246.70 × 54,375.80 - Step 4: Simplify right side
67,497.80x = 5,505,370,309.86 - Step 5: Solve for x
x = 5,505,370,309.86/67,497.80 - Step 6: Final answer
x = 81,563.70
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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.