Finding the Fourth Proportional to 73,934.40, 110,901.60 and 27,181.20
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Solution
The fourth proportional to 73,934.40, 110,901.60 and 27,181.20 is: 40,771.80
Step by Step Solution
- Step 1: Write the proportion equation
73,934.40 : 110,901.60 = 27,181.20 : x - Step 2: Convert to fraction form
73,934.40/110,901.60 = 27,181.20/x - Step 3: Cross multiply
73,934.40x = 110,901.60 × 27,181.20 - Step 4: Simplify right side
73,934.40x = 3,014,438,569.92 - Step 5: Solve for x
x = 3,014,438,569.92/73,934.40 - Step 6: Final answer
x = 40,771.80
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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.