Finding the Fourth Proportional to 75,130.11, 112,694.92 and 58,057.84
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Solution
The fourth proportional to 75,130.11, 112,694.92 and 58,057.84 is: 87,086.57
Step by Step Solution
- Step 1: Write the proportion equation
75,130.11 : 112,694.92 = 58,057.84 : x - Step 2: Convert to fraction form
75,130.11/112,694.92 = 58,057.84/x - Step 3: Cross multiply
75,130.11x = 112,694.92 × 58,057.84 - Step 4: Simplify right side
75,130.11x = 6,542,823,476.23 - Step 5: Solve for x
x = 6,542,823,476.23/75,130.11 - Step 6: Final answer
x = 87,086.57
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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.