Finding the Fourth Proportional to 125,813.44, 173,622.96 and 69,228.32
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Solution
The fourth proportional to 125,813.44, 173,622.96 and 69,228.32 is: 95,535.31
Step by Step Solution
- Step 1: Write the proportion equation
125,813.44 : 173,622.96 = 69,228.32 : x - Step 2: Convert to fraction form
125,813.44/173,622.96 = 69,228.32/x - Step 3: Cross multiply
125,813.44x = 173,622.96 × 69,228.32 - Step 4: Simplify right side
125,813.44x = 12,019,625,834.23 - Step 5: Solve for x
x = 12,019,625,834.23/125,813.44 - Step 6: Final answer
x = 95,535.31
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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.