Finding the Fourth Proportional to 83,503.44, 115,236.36 and 45,775.44
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Solution
The fourth proportional to 83,503.44, 115,236.36 and 45,775.44 is: 63,170.99
Step by Step Solution
- Step 1: Write the proportion equation
83,503.44 : 115,236.36 = 45,775.44 : x - Step 2: Convert to fraction form
83,503.44/115,236.36 = 45,775.44/x - Step 3: Cross multiply
83,503.44x = 115,236.36 × 45,775.44 - Step 4: Simplify right side
83,503.44x = 5,274,995,083.00 - Step 5: Solve for x
x = 5,274,995,083.00/83,503.44 - Step 6: Final answer
x = 63,170.99
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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.