Finding the Fourth Proportional to 88,295.13, 121,793.22 and 82,390.23
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Solution
The fourth proportional to 88,295.13, 121,793.22 and 82,390.23 is: 113,648.07
Step by Step Solution
- Step 1: Write the proportion equation
88,295.13 : 121,793.22 = 82,390.23 : x - Step 2: Convert to fraction form
88,295.13/121,793.22 = 82,390.23/x - Step 3: Cross multiply
88,295.13x = 121,793.22 × 82,390.23 - Step 4: Simplify right side
88,295.13x = 10,034,571,408.24 - Step 5: Solve for x
x = 10,034,571,408.24/88,295.13 - Step 6: Final answer
x = 113,648.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.