Finding the Fourth Proportional to 83,067.99, 114,632.82 and 47,257.92
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Solution
The fourth proportional to 83,067.99, 114,632.82 and 47,257.92 is: 65,215.36
Step by Step Solution
- Step 1: Write the proportion equation
83,067.99 : 114,632.82 = 47,257.92 : x - Step 2: Convert to fraction form
83,067.99/114,632.82 = 47,257.92/x - Step 3: Cross multiply
83,067.99x = 114,632.82 × 47,257.92 - Step 4: Simplify right side
83,067.99x = 5,417,308,636.93 - Step 5: Solve for x
x = 5,417,308,636.93/83,067.99 - Step 6: Final answer
x = 65,215.36
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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.