Finding the Fourth Proportional to 94,105.36, 129,859.50 and 51,660.28
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Solution
The fourth proportional to 94,105.36, 129,859.50 and 51,660.28 is: 71,287.95
Step by Step Solution
- Step 1: Write the proportion equation
94,105.36 : 129,859.50 = 51,660.28 : x - Step 2: Convert to fraction form
94,105.36/129,859.50 = 51,660.28/x - Step 3: Cross multiply
94,105.36x = 129,859.50 × 51,660.28 - Step 4: Simplify right side
94,105.36x = 6,708,578,130.66 - Step 5: Solve for x
x = 6,708,578,130.66/94,105.36 - Step 6: Final answer
x = 71,287.95
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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.