Finding the Fourth Proportional to 125,002.62, 172,496.97 and 68,403.06
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Solution
The fourth proportional to 125,002.62, 172,496.97 and 68,403.06 is: 94,392.59
Step by Step Solution
- Step 1: Write the proportion equation
125,002.62 : 172,496.97 = 68,403.06 : x - Step 2: Convert to fraction form
125,002.62/172,496.97 = 68,403.06/x - Step 3: Cross multiply
125,002.62x = 172,496.97 × 68,403.06 - Step 4: Simplify right side
125,002.62x = 11,799,320,588.73 - Step 5: Solve for x
x = 11,799,320,588.73/125,002.62 - Step 6: Final answer
x = 94,392.59
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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.