Finding the Fourth Proportional to 71,481.99, 107,153.28 and 34,032.00
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Solution
The fourth proportional to 71,481.99, 107,153.28 and 34,032.00 is: 51,014.81
Step by Step Solution
- Step 1: Write the proportion equation
71,481.99 : 107,153.28 = 34,032.00 : x - Step 2: Convert to fraction form
71,481.99/107,153.28 = 34,032.00/x - Step 3: Cross multiply
71,481.99x = 107,153.28 × 34,032.00 - Step 4: Simplify right side
71,481.99x = 3,646,640,224.05 - Step 5: Solve for x
x = 3,646,640,224.05/71,481.99 - Step 6: Final answer
x = 51,014.81
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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.