Finding the Fourth Proportional to 125,762.23, 173,551.05 and 71,324.76
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Solution
The fourth proportional to 125,762.23, 173,551.05 and 71,324.76 is: 98,427.70
Step by Step Solution
- Step 1: Write the proportion equation
125,762.23 : 173,551.05 = 71,324.76 : x - Step 2: Convert to fraction form
125,762.23/173,551.05 = 71,324.76/x - Step 3: Cross multiply
125,762.23x = 173,551.05 × 71,324.76 - Step 4: Simplify right side
125,762.23x = 12,378,486,632.37 - Step 5: Solve for x
x = 12,378,486,632.37/125,762.23 - Step 6: Final answer
x = 98,427.70
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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.