Finding the Fourth Proportional to 125,040.60, 172,555.74 and 68,451.48
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Solution
The fourth proportional to 125,040.60, 172,555.74 and 68,451.48 is: 94,462.88
Step by Step Solution
- Step 1: Write the proportion equation
125,040.60 : 172,555.74 = 68,451.48 : x - Step 2: Convert to fraction form
125,040.60/172,555.74 = 68,451.48/x - Step 3: Cross multiply
125,040.60x = 172,555.74 × 68,451.48 - Step 4: Simplify right side
125,040.60x = 11,811,695,785.50 - Step 5: Solve for x
x = 11,811,695,785.50/125,040.60 - Step 6: Final answer
x = 94,462.88
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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.