Finding the Fourth Proportional to 88,165.99, 121,668.69 and 47,879.47
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Solution
The fourth proportional to 88,165.99, 121,668.69 and 47,879.47 is: 66,073.46
Step by Step Solution
- Step 1: Write the proportion equation
88,165.99 : 121,668.69 = 47,879.47 : x - Step 2: Convert to fraction form
88,165.99/121,668.69 = 47,879.47/x - Step 3: Cross multiply
88,165.99x = 121,668.69 × 47,879.47 - Step 4: Simplify right side
88,165.99x = 5,825,432,392.79 - Step 5: Solve for x
x = 5,825,432,392.79/88,165.99 - Step 6: Final answer
x = 66,073.46
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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.