Finding the Fourth Proportional to 86,519.99, 119,393.01 and 48,791.81
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Solution
The fourth proportional to 86,519.99, 119,393.01 and 48,791.81 is: 67,330.12
Step by Step Solution
- Step 1: Write the proportion equation
86,519.99 : 119,393.01 = 48,791.81 : x - Step 2: Convert to fraction form
86,519.99/119,393.01 = 48,791.81/x - Step 3: Cross multiply
86,519.99x = 119,393.01 × 48,791.81 - Step 4: Simplify right side
86,519.99x = 5,825,401,357.73 - Step 5: Solve for x
x = 5,825,401,357.73/86,519.99 - Step 6: Final answer
x = 67,330.12
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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.