Finding the Fourth Proportional to 125,025.75, 172,535.67 and 68,437.26
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Solution
The fourth proportional to 125,025.75, 172,535.67 and 68,437.26 is: 94,443.49
Step by Step Solution
- Step 1: Write the proportion equation
125,025.75 : 172,535.67 = 68,437.26 : x - Step 2: Convert to fraction form
125,025.75/172,535.67 = 68,437.26/x - Step 3: Cross multiply
125,025.75x = 172,535.67 × 68,437.26 - Step 4: Simplify right side
125,025.75x = 11,807,868,507.06 - Step 5: Solve for x
x = 11,807,868,507.06/125,025.75 - Step 6: Final answer
x = 94,443.49
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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.