Finding the Fourth Proportional to 75,976.99, 104,851.87 and 45,771.68
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Solution
The fourth proportional to 75,976.99, 104,851.87 and 45,771.68 is: 63,167.11
Step by Step Solution
- Step 1: Write the proportion equation
75,976.99 : 104,851.87 = 45,771.68 : x - Step 2: Convert to fraction form
75,976.99/104,851.87 = 45,771.68/x - Step 3: Cross multiply
75,976.99x = 104,851.87 × 45,771.68 - Step 4: Simplify right side
75,976.99x = 4,799,246,388.74 - Step 5: Solve for x
x = 4,799,246,388.74/75,976.99 - Step 6: Final answer
x = 63,167.11
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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.