Finding the Fourth Proportional to 71,958.48, 107,927.97 and 19,371.12
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Solution
The fourth proportional to 71,958.48, 107,927.97 and 19,371.12 is: 29,054.06
Step by Step Solution
- Step 1: Write the proportion equation
71,958.48 : 107,927.97 = 19,371.12 : x - Step 2: Convert to fraction form
71,958.48/107,927.97 = 19,371.12/x - Step 3: Cross multiply
71,958.48x = 107,927.97 × 19,371.12 - Step 4: Simplify right side
71,958.48x = 2,090,685,658.23 - Step 5: Solve for x
x = 2,090,685,658.23/71,958.48 - Step 6: Final answer
x = 29,054.06
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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.