Finding the Fourth Proportional to 125,029.60, 172,540.48 and 68,440.48
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Solution
The fourth proportional to 125,029.60, 172,540.48 and 68,440.48 is: 94,447.66
Step by Step Solution
- Step 1: Write the proportion equation
125,029.60 : 172,540.48 = 68,440.48 : x - Step 2: Convert to fraction form
125,029.60/172,540.48 = 68,440.48/x - Step 3: Cross multiply
125,029.60x = 172,540.48 × 68,440.48 - Step 4: Simplify right side
125,029.60x = 11,808,753,270.63 - Step 5: Solve for x
x = 11,808,753,270.63/125,029.60 - Step 6: Final answer
x = 94,447.66
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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.