Finding the Fourth Proportional to 75,649.99, 104,381.17 and 43,816.99
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Solution
The fourth proportional to 75,649.99, 104,381.17 and 43,816.99 is: 60,458.28
Step by Step Solution
- Step 1: Write the proportion equation
75,649.99 : 104,381.17 = 43,816.99 : x - Step 2: Convert to fraction form
75,649.99/104,381.17 = 43,816.99/x - Step 3: Cross multiply
75,649.99x = 104,381.17 × 43,816.99 - Step 4: Simplify right side
75,649.99x = 4,573,668,462.99 - Step 5: Solve for x
x = 4,573,668,462.99/75,649.99 - Step 6: Final answer
x = 60,458.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.