Finding the Fourth Proportional to 125,983.01, 173,853.95 and 68,622.98
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Solution
The fourth proportional to 125,983.01, 173,853.95 and 68,622.98 is: 94,698.28
Step by Step Solution
- Step 1: Write the proportion equation
125,983.01 : 173,853.95 = 68,622.98 : x - Step 2: Convert to fraction form
125,983.01/173,853.95 = 68,622.98/x - Step 3: Cross multiply
125,983.01x = 173,853.95 × 68,622.98 - Step 4: Simplify right side
125,983.01x = 11,930,374,921.39 - Step 5: Solve for x
x = 11,930,374,921.39/125,983.01 - Step 6: Final answer
x = 94,698.28
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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.