Finding the Fourth Proportional to 84,107.13, 126,139.20 and 24,928.97
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Solution
The fourth proportional to 84,107.13, 126,139.20 and 24,928.97 is: 37,387.08
Step by Step Solution
- Step 1: Write the proportion equation
84,107.13 : 126,139.20 = 24,928.97 : x - Step 2: Convert to fraction form
84,107.13/126,139.20 = 24,928.97/x - Step 3: Cross multiply
84,107.13x = 126,139.20 × 24,928.97 - Step 4: Simplify right side
84,107.13x = 3,144,519,701.93 - Step 5: Solve for x
x = 3,144,519,701.93/84,107.13 - Step 6: Final answer
x = 37,387.08
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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.