Finding the Fourth Proportional to 79,751.64, 119,645.97 and 27,161.58
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Solution
The fourth proportional to 79,751.64, 119,645.97 and 27,161.58 is: 40,748.67
Step by Step Solution
- Step 1: Write the proportion equation
79,751.64 : 119,645.97 = 27,161.58 : x - Step 2: Convert to fraction form
79,751.64/119,645.97 = 27,161.58/x - Step 3: Cross multiply
79,751.64x = 119,645.97 × 27,161.58 - Step 4: Simplify right side
79,751.64x = 3,249,773,585.83 - Step 5: Solve for x
x = 3,249,773,585.83/79,751.64 - Step 6: Final answer
x = 40,748.67
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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.