Finding the Fourth Proportional to 67,404.10, 101,069.70 and 27,965.20
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Solution
The fourth proportional to 67,404.10, 101,069.70 and 27,965.20 is: 41,932.68
Step by Step Solution
- Step 1: Write the proportion equation
67,404.10 : 101,069.70 = 27,965.20 : x - Step 2: Convert to fraction form
67,404.10/101,069.70 = 27,965.20/x - Step 3: Cross multiply
67,404.10x = 101,069.70 × 27,965.20 - Step 4: Simplify right side
67,404.10x = 2,826,434,374.44 - Step 5: Solve for x
x = 2,826,434,374.44/67,404.10 - Step 6: Final answer
x = 41,932.68
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1.5x scale
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.