Finding the Fourth Proportional to 125,421.92, 173,078.66 and 68,058.73
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Solution
The fourth proportional to 125,421.92, 173,078.66 and 68,058.73 is: 93,919.09
Step by Step Solution
- Step 1: Write the proportion equation
125,421.92 : 173,078.66 = 68,058.73 : x - Step 2: Convert to fraction form
125,421.92/173,078.66 = 68,058.73/x - Step 3: Cross multiply
125,421.92x = 173,078.66 × 68,058.73 - Step 4: Simplify right side
125,421.92x = 11,779,512,584.01 - Step 5: Solve for x
x = 11,779,512,584.01/125,421.92 - Step 6: Final answer
x = 93,919.09
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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.