Finding the Fourth Proportional to 88,305.05, 121,857.26 and 50,067.17
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Solution
The fourth proportional to 88,305.05, 121,857.26 and 50,067.17 is: 69,090.59
Step by Step Solution
- Step 1: Write the proportion equation
88,305.05 : 121,857.26 = 50,067.17 : x - Step 2: Convert to fraction form
88,305.05/121,857.26 = 50,067.17/x - Step 3: Cross multiply
88,305.05x = 121,857.26 × 50,067.17 - Step 4: Simplify right side
88,305.05x = 6,101,048,581.97 - Step 5: Solve for x
x = 6,101,048,581.97/88,305.05 - Step 6: Final answer
x = 69,090.59
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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.