Finding the Fourth Proportional to 125,918.38, 173,767.40 and 69,329.75
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Solution
The fourth proportional to 125,918.38, 173,767.40 and 69,329.75 is: 95,675.07
Step by Step Solution
- Step 1: Write the proportion equation
125,918.38 : 173,767.40 = 69,329.75 : x - Step 2: Convert to fraction form
125,918.38/173,767.40 = 69,329.75/x - Step 3: Cross multiply
125,918.38x = 173,767.40 × 69,329.75 - Step 4: Simplify right side
125,918.38x = 12,047,250,400.15 - Step 5: Solve for x
x = 12,047,250,400.15/125,918.38 - Step 6: Final answer
x = 95,675.07
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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.