Finding the Fourth Proportional to 83,917.97, 115,803.38 and 48,083.06
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Solution
The fourth proportional to 83,917.97, 115,803.38 and 48,083.06 is: 66,352.66
Step by Step Solution
- Step 1: Write the proportion equation
83,917.97 : 115,803.38 = 48,083.06 : x - Step 2: Convert to fraction form
83,917.97/115,803.38 = 48,083.06/x - Step 3: Cross multiply
83,917.97x = 115,803.38 × 48,083.06 - Step 4: Simplify right side
83,917.97x = 5,568,180,049.31 - Step 5: Solve for x
x = 5,568,180,049.31/83,917.97 - Step 6: Final answer
x = 66,352.66
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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.