Finding the Fourth Proportional to 125,715.03, 173,484.75 and 68,355.48
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Solution
The fourth proportional to 125,715.03, 173,484.75 and 68,355.48 is: 94,329.48
Step by Step Solution
- Step 1: Write the proportion equation
125,715.03 : 173,484.75 = 68,355.48 : x - Step 2: Convert to fraction form
125,715.03/173,484.75 = 68,355.48/x - Step 3: Cross multiply
125,715.03x = 173,484.75 × 68,355.48 - Step 4: Simplify right side
125,715.03x = 11,858,633,358.93 - Step 5: Solve for x
x = 11,858,633,358.93/125,715.03 - Step 6: Final answer
x = 94,329.48
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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.