Finding the Fourth Proportional to 125,387.18, 173,033.63 and 68,027.64
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Solution
The fourth proportional to 125,387.18, 173,033.63 and 68,027.64 is: 93,877.78
Step by Step Solution
- Step 1: Write the proportion equation
125,387.18 : 173,033.63 = 68,027.64 : x - Step 2: Convert to fraction form
125,387.18/173,033.63 = 68,027.64/x - Step 3: Cross multiply
125,387.18x = 173,033.63 × 68,027.64 - Step 4: Simplify right side
125,387.18x = 11,771,069,489.53 - Step 5: Solve for x
x = 11,771,069,489.53/125,387.18 - Step 6: Final answer
x = 93,877.78
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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.