Finding the Fourth Proportional to 125,407.58, 173,067.45 and 68,820.98
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Solution
The fourth proportional to 125,407.58, 173,067.45 and 68,820.98 is: 94,975.69
Step by Step Solution
- Step 1: Write the proportion equation
125,407.58 : 173,067.45 = 68,820.98 : x - Step 2: Convert to fraction form
125,407.58/173,067.45 = 68,820.98/x - Step 3: Cross multiply
125,407.58x = 173,067.45 × 68,820.98 - Step 4: Simplify right side
125,407.58x = 11,910,671,515.10 - Step 5: Solve for x
x = 11,910,671,515.10/125,407.58 - Step 6: Final answer
x = 94,975.69
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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.