Finding the Fourth Proportional to 83,744.05, 125,633.39 and 27,587.58
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Solution
The fourth proportional to 83,744.05, 125,633.39 and 27,587.58 is: 41,387.07
Step by Step Solution
- Step 1: Write the proportion equation
83,744.05 : 125,633.39 = 27,587.58 : x - Step 2: Convert to fraction form
83,744.05/125,633.39 = 27,587.58/x - Step 3: Cross multiply
83,744.05x = 125,633.39 × 27,587.58 - Step 4: Simplify right side
83,744.05x = 3,465,921,197.30 - Step 5: Solve for x
x = 3,465,921,197.30/83,744.05 - Step 6: Final answer
x = 41,387.07
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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.