Finding the Fourth Proportional to 88,160.99, 121,662.17 and 47,874.75
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Solution
The fourth proportional to 88,160.99, 121,662.17 and 47,874.75 is: 66,067.16
Step by Step Solution
- Step 1: Write the proportion equation
88,160.99 : 121,662.17 = 47,874.75 : x - Step 2: Convert to fraction form
88,160.99/121,662.17 = 47,874.75/x - Step 3: Cross multiply
88,160.99x = 121,662.17 × 47,874.75 - Step 4: Simplify right side
88,160.99x = 5,824,545,733.83 - Step 5: Solve for x
x = 5,824,545,733.83/88,160.99 - Step 6: Final answer
x = 66,067.16
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1.5x scale
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.