Finding the Fourth Proportional to 67,440.75, 101,165.99 and 25,887.75
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Solution
The fourth proportional to 67,440.75, 101,165.99 and 25,887.75 is: 38,833.49
Step by Step Solution
- Step 1: Write the proportion equation
67,440.75 : 101,165.99 = 25,887.75 : x - Step 2: Convert to fraction form
67,440.75/101,165.99 = 25,887.75/x - Step 3: Cross multiply
67,440.75x = 101,165.99 × 25,887.75 - Step 4: Simplify right side
67,440.75x = 2,618,959,857.62 - Step 5: Solve for x
x = 2,618,959,857.62/67,440.75 - Step 6: Final answer
x = 38,833.49
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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.