Finding the Fourth Proportional to 125,626.50, 173,364.66 and 69,038.28
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Solution
The fourth proportional to 125,626.50, 173,364.66 and 69,038.28 is: 95,272.88
Step by Step Solution
- Step 1: Write the proportion equation
125,626.50 : 173,364.66 = 69,038.28 : x - Step 2: Convert to fraction form
125,626.50/173,364.66 = 69,038.28/x - Step 3: Cross multiply
125,626.50x = 173,364.66 × 69,038.28 - Step 4: Simplify right side
125,626.50x = 11,968,797,939.18 - Step 5: Solve for x
x = 11,968,797,939.18/125,626.50 - Step 6: Final answer
x = 95,272.88
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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.