Finding the Fourth Proportional to 87,903.97, 131,854.97 and 21,344.04
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Solution
The fourth proportional to 87,903.97, 131,854.97 and 21,344.04 is: 32,015.82
Step by Step Solution
- Step 1: Write the proportion equation
87,903.97 : 131,854.97 = 21,344.04 : x - Step 2: Convert to fraction form
87,903.97/131,854.97 = 21,344.04/x - Step 3: Cross multiply
87,903.97x = 131,854.97 × 21,344.04 - Step 4: Simplify right side
87,903.97x = 2,814,317,807.24 - Step 5: Solve for x
x = 2,814,317,807.24/87,903.97 - Step 6: Final answer
x = 32,015.82
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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.