Finding the Fourth Proportional to 71,649.74, 107,309.83 and 41,589.53
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Solution
The fourth proportional to 71,649.74, 107,309.83 and 41,589.53 is: 62,288.65
Step by Step Solution
- Step 1: Write the proportion equation
71,649.74 : 107,309.83 = 41,589.53 : x - Step 2: Convert to fraction form
71,649.74/107,309.83 = 41,589.53/x - Step 3: Cross multiply
71,649.74x = 107,309.83 × 41,589.53 - Step 4: Simplify right side
71,649.74x = 4,462,965,394.08 - Step 5: Solve for x
x = 4,462,965,394.08/71,649.74 - Step 6: Final answer
x = 62,288.65
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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.