Finding the Fourth Proportional to 125,031.97, 172,542.62 and 67,669.92
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Solution
The fourth proportional to 125,031.97, 172,542.62 and 67,669.92 is: 93,383.68
Step by Step Solution
- Step 1: Write the proportion equation
125,031.97 : 172,542.62 = 67,669.92 : x - Step 2: Convert to fraction form
125,031.97/172,542.62 = 67,669.92/x - Step 3: Cross multiply
125,031.97x = 172,542.62 × 67,669.92 - Step 4: Simplify right side
125,031.97x = 11,675,945,291.99 - Step 5: Solve for x
x = 11,675,945,291.99/125,031.97 - Step 6: Final answer
x = 93,383.68
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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.