Finding the Fourth Proportional to 125,396.73, 173,047.47 and 71,682.95
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Solution
The fourth proportional to 125,396.73, 173,047.47 and 71,682.95 is: 98,922.46
Step by Step Solution
- Step 1: Write the proportion equation
125,396.73 : 173,047.47 = 71,682.95 : x - Step 2: Convert to fraction form
125,396.73/173,047.47 = 71,682.95/x - Step 3: Cross multiply
125,396.73x = 173,047.47 × 71,682.95 - Step 4: Simplify right side
125,396.73x = 12,404,552,543.21 - Step 5: Solve for x
x = 12,404,552,543.21/125,396.73 - Step 6: Final answer
x = 98,922.46
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1.5x scale
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.