Finding the Fourth Proportional to 125,750.74, 173,535.15 and 71,313.19
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Solution
The fourth proportional to 125,750.74, 173,535.15 and 71,313.19 is: 98,411.71
Step by Step Solution
- Step 1: Write the proportion equation
125,750.74 : 173,535.15 = 71,313.19 : x - Step 2: Convert to fraction form
125,750.74/173,535.15 = 71,313.19/x - Step 3: Cross multiply
125,750.74x = 173,535.15 × 71,313.19 - Step 4: Simplify right side
125,750.74x = 12,375,345,123.63 - Step 5: Solve for x
x = 12,375,345,123.63/125,750.74 - Step 6: Final answer
x = 98,411.71
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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.