Finding the Fourth Proportional to 71,585.30, 107,356.02 and 34,125.62
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Solution
The fourth proportional to 71,585.30, 107,356.02 and 34,125.62 is: 51,177.98
Step by Step Solution
- Step 1: Write the proportion equation
71,585.30 : 107,356.02 = 34,125.62 : x - Step 2: Convert to fraction form
71,585.30/107,356.02 = 34,125.62/x - Step 3: Cross multiply
71,585.30x = 107,356.02 × 34,125.62 - Step 4: Simplify right side
71,585.30x = 3,663,590,743.23 - Step 5: Solve for x
x = 3,663,590,743.23/71,585.30 - Step 6: Final answer
x = 51,177.98
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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.