Finding the Fourth Proportional to 125,408.04, 173,062.62 and 68,819.28
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Solution
The fourth proportional to 125,408.04, 173,062.62 and 68,819.28 is: 94,970.35
Step by Step Solution
- Step 1: Write the proportion equation
125,408.04 : 173,062.62 = 68,819.28 : x - Step 2: Convert to fraction form
125,408.04/173,062.62 = 68,819.28/x - Step 3: Cross multiply
125,408.04x = 173,062.62 × 68,819.28 - Step 4: Simplify right side
125,408.04x = 11,910,044,903.31 - Step 5: Solve for x
x = 11,910,044,903.31/125,408.04 - Step 6: Final answer
x = 94,970.35
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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.