Finding the Fourth Proportional to 67,355.70, 101,025.45 and 27,908.70
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Solution
The fourth proportional to 67,355.70, 101,025.45 and 27,908.70 is: 41,859.69
Step by Step Solution
- Step 1: Write the proportion equation
67,355.70 : 101,025.45 = 27,908.70 : x - Step 2: Convert to fraction form
67,355.70/101,025.45 = 27,908.70/x - Step 3: Cross multiply
67,355.70x = 101,025.45 × 27,908.70 - Step 4: Simplify right side
67,355.70x = 2,819,488,976.42 - Step 5: Solve for x
x = 2,819,488,976.42/67,355.70 - Step 6: Final answer
x = 41,859.69
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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.