Finding the Fourth Proportional to 83,340.70, 125,030.94 and 27,180.87
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Solution
The fourth proportional to 83,340.70, 125,030.94 and 27,180.87 is: 40,777.79
Step by Step Solution
- Step 1: Write the proportion equation
83,340.70 : 125,030.94 = 27,180.87 : x - Step 2: Convert to fraction form
83,340.70/125,030.94 = 27,180.87/x - Step 3: Cross multiply
83,340.70x = 125,030.94 × 27,180.87 - Step 4: Simplify right side
83,340.70x = 3,398,449,308.22 - Step 5: Solve for x
x = 3,398,449,308.22/83,340.70 - Step 6: Final answer
x = 40,777.79
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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.