Finding the Fourth Proportional to 75,652.92, 104,348.88 and 68,911.56
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Solution
The fourth proportional to 75,652.92, 104,348.88 and 68,911.56 is: 95,050.45
Step by Step Solution
- Step 1: Write the proportion equation
75,652.92 : 104,348.88 = 68,911.56 : x - Step 2: Convert to fraction form
75,652.92/104,348.88 = 68,911.56/x - Step 3: Cross multiply
75,652.92x = 104,348.88 × 68,911.56 - Step 4: Simplify right side
75,652.92x = 7,190,844,105.05 - Step 5: Solve for x
x = 7,190,844,105.05/75,652.92 - Step 6: Final answer
x = 95,050.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.