Finding the Fourth Proportional to 88,305.68, 121,858.12 and 50,067.80
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Solution
The fourth proportional to 88,305.68, 121,858.12 and 50,067.80 is: 69,091.46
Step by Step Solution
- Step 1: Write the proportion equation
88,305.68 : 121,858.12 = 50,067.80 : x - Step 2: Convert to fraction form
88,305.68/121,858.12 = 50,067.80/x - Step 3: Cross multiply
88,305.68x = 121,858.12 × 50,067.80 - Step 4: Simplify right side
88,305.68x = 6,101,167,980.54 - Step 5: Solve for x
x = 6,101,167,980.54/88,305.68 - Step 6: Final answer
x = 69,091.46
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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.