Finding the Fourth Proportional to 71,224.36, 106,797.09 and 29,133.99
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Solution
The fourth proportional to 71,224.36, 106,797.09 and 29,133.99 is: 43,684.86
Step by Step Solution
- Step 1: Write the proportion equation
71,224.36 : 106,797.09 = 29,133.99 : x - Step 2: Convert to fraction form
71,224.36/106,797.09 = 29,133.99/x - Step 3: Cross multiply
71,224.36x = 106,797.09 × 29,133.99 - Step 4: Simplify right side
71,224.36x = 3,111,425,752.58 - Step 5: Solve for x
x = 3,111,425,752.58/71,224.36 - Step 6: Final answer
x = 43,684.86
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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.