Finding the Fourth Proportional to 125,564.44, 173,308.82 and 71,880.48
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Solution
The fourth proportional to 125,564.44, 173,308.82 and 71,880.48 is: 99,212.17
Step by Step Solution
- Step 1: Write the proportion equation
125,564.44 : 173,308.82 = 71,880.48 : x - Step 2: Convert to fraction form
125,564.44/173,308.82 = 71,880.48/x - Step 3: Cross multiply
125,564.44x = 173,308.82 × 71,880.48 - Step 4: Simplify right side
125,564.44x = 12,457,521,169.83 - Step 5: Solve for x
x = 12,457,521,169.83/125,564.44 - Step 6: Final answer
x = 99,212.17
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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.