Finding the Fourth Proportional to 125,620.05, 173,353.70 and 69,030.21
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Solution
The fourth proportional to 125,620.05, 173,353.70 and 69,030.21 is: 95,260.61
Step by Step Solution
- Step 1: Write the proportion equation
125,620.05 : 173,353.70 = 69,030.21 : x - Step 2: Convert to fraction form
125,620.05/173,353.70 = 69,030.21/x - Step 3: Cross multiply
125,620.05x = 173,353.70 × 69,030.21 - Step 4: Simplify right side
125,620.05x = 11,966,642,487.85 - Step 5: Solve for x
x = 11,966,642,487.85/125,620.05 - Step 6: Final answer
x = 95,260.61
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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.