Finding the Fourth Proportional to 125,713.08, 173,489.58 and 69,126.48
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Solution
The fourth proportional to 125,713.08, 173,489.58 and 69,126.48 is: 95,397.58
Step by Step Solution
- Step 1: Write the proportion equation
125,713.08 : 173,489.58 = 69,126.48 : x - Step 2: Convert to fraction form
125,713.08/173,489.58 = 69,126.48/x - Step 3: Cross multiply
125,713.08x = 173,489.58 × 69,126.48 - Step 4: Simplify right side
125,713.08x = 11,992,723,982.08 - Step 5: Solve for x
x = 11,992,723,982.08/125,713.08 - Step 6: Final answer
x = 95,397.58
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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.