Finding the Fourth Proportional to 125,729.25, 173,501.09 and 71,285.08
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Solution
The fourth proportional to 125,729.25, 173,501.09 and 71,285.08 is: 98,370.42
Step by Step Solution
- Step 1: Write the proportion equation
125,729.25 : 173,501.09 = 71,285.08 : x - Step 2: Convert to fraction form
125,729.25/173,501.09 = 71,285.08/x - Step 3: Cross multiply
125,729.25x = 173,501.09 × 71,285.08 - Step 4: Simplify right side
125,729.25x = 12,368,039,798.14 - Step 5: Solve for x
x = 12,368,039,798.14/125,729.25 - Step 6: Final answer
x = 98,370.42
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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.