Finding the Fourth Proportional to 71,167.19, 106,715.90 and 23,765.99
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Solution
The fourth proportional to 71,167.19, 106,715.90 and 23,765.99 is: 35,637.33
Step by Step Solution
- Step 1: Write the proportion equation
71,167.19 : 106,715.90 = 23,765.99 : x - Step 2: Convert to fraction form
71,167.19/106,715.90 = 23,765.99/x - Step 3: Cross multiply
71,167.19x = 106,715.90 × 23,765.99 - Step 4: Simplify right side
71,167.19x = 2,536,208,582.35 - Step 5: Solve for x
x = 2,536,208,582.35/71,167.19 - Step 6: Final answer
x = 35,637.33
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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.