Finding the Fourth Proportional to 71,201.71, 106,718.73 and 29,055.49
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Solution
The fourth proportional to 71,201.71, 106,718.73 and 29,055.49 is: 43,549.02
Step by Step Solution
- Step 1: Write the proportion equation
71,201.71 : 106,718.73 = 29,055.49 : x - Step 2: Convert to fraction form
71,201.71/106,718.73 = 29,055.49/x - Step 3: Cross multiply
71,201.71x = 106,718.73 × 29,055.49 - Step 4: Simplify right side
71,201.71x = 3,100,764,992.33 - Step 5: Solve for x
x = 3,100,764,992.33/71,201.71 - Step 6: Final answer
x = 43,549.02
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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.