Finding the Fourth Proportional to 71,586.79, 107,299.17 and 36,452.23
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Solution
The fourth proportional to 71,586.79, 107,299.17 and 36,452.23 is: 54,637.09
Step by Step Solution
- Step 1: Write the proportion equation
71,586.79 : 107,299.17 = 36,452.23 : x - Step 2: Convert to fraction form
71,586.79/107,299.17 = 36,452.23/x - Step 3: Cross multiply
71,586.79x = 107,299.17 × 36,452.23 - Step 4: Simplify right side
71,586.79x = 3,911,294,023.65 - Step 5: Solve for x
x = 3,911,294,023.65/71,586.79 - Step 6: Final answer
x = 54,637.09
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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.