Finding the Fourth Proportional to 125,762.09, 173,532.58 and 71,311.25
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Solution
The fourth proportional to 125,762.09, 173,532.58 and 71,311.25 is: 98,398.70
Step by Step Solution
- Step 1: Write the proportion equation
125,762.09 : 173,532.58 = 71,311.25 : x - Step 2: Convert to fraction form
125,762.09/173,532.58 = 71,311.25/x - Step 3: Cross multiply
125,762.09x = 173,532.58 × 71,311.25 - Step 4: Simplify right side
125,762.09x = 12,374,825,451.08 - Step 5: Solve for x
x = 12,374,825,451.08/125,762.09 - Step 6: Final answer
x = 98,398.70
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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.