Finding the Fourth Proportional to 71,287.83, 106,929.99 and 41,346.72
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Solution
The fourth proportional to 71,287.83, 106,929.99 and 41,346.72 is: 62,019.06
Step by Step Solution
- Step 1: Write the proportion equation
71,287.83 : 106,929.99 = 41,346.72 : x - Step 2: Convert to fraction form
71,287.83/106,929.99 = 41,346.72/x - Step 3: Cross multiply
71,287.83x = 106,929.99 × 41,346.72 - Step 4: Simplify right side
71,287.83x = 4,421,204,356.13 - Step 5: Solve for x
x = 4,421,204,356.13/71,287.83 - Step 6: Final answer
x = 62,019.06
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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.