Finding the Fourth Proportional to 125,765.28, 173,552.43 and 69,176.64
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Solution
The fourth proportional to 125,765.28, 173,552.43 and 69,176.64 is: 95,461.75
Step by Step Solution
- Step 1: Write the proportion equation
125,765.28 : 173,552.43 = 69,176.64 : x - Step 2: Convert to fraction form
125,765.28/173,552.43 = 69,176.64/x - Step 3: Cross multiply
125,765.28x = 173,552.43 × 69,176.64 - Step 4: Simplify right side
125,765.28x = 12,005,773,971.24 - Step 5: Solve for x
x = 12,005,773,971.24/125,765.28 - Step 6: Final answer
x = 95,461.75
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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.