Finding the Fourth Proportional to 86,067.10, 129,100.74 and 26,903.08
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Solution
The fourth proportional to 86,067.10, 129,100.74 and 26,903.08 is: 40,354.65
Step by Step Solution
- Step 1: Write the proportion equation
86,067.10 : 129,100.74 = 26,903.08 : x - Step 2: Convert to fraction form
86,067.10/129,100.74 = 26,903.08/x - Step 3: Cross multiply
86,067.10x = 129,100.74 × 26,903.08 - Step 4: Simplify right side
86,067.10x = 3,473,207,536.28 - Step 5: Solve for x
x = 3,473,207,536.28/86,067.10 - Step 6: Final answer
x = 40,354.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.