Finding the Fourth Proportional to 125,890.77, 173,723.84 and 68,530.19
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Solution
The fourth proportional to 125,890.77, 173,723.84 and 68,530.19 is: 94,568.70
Step by Step Solution
- Step 1: Write the proportion equation
125,890.77 : 173,723.84 = 68,530.19 : x - Step 2: Convert to fraction form
125,890.77/173,723.84 = 68,530.19/x - Step 3: Cross multiply
125,890.77x = 173,723.84 × 68,530.19 - Step 4: Simplify right side
125,890.77x = 11,905,326,808.45 - Step 5: Solve for x
x = 11,905,326,808.45/125,890.77 - Step 6: Final answer
x = 94,568.70
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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.