Finding the Fourth Proportional to 125,252.21, 172,844.47 and 71,536.12
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Solution
The fourth proportional to 125,252.21, 172,844.47 and 71,536.12 is: 98,717.80
Step by Step Solution
- Step 1: Write the proportion equation
125,252.21 : 172,844.47 = 71,536.12 : x - Step 2: Convert to fraction form
125,252.21/172,844.47 = 71,536.12/x - Step 3: Cross multiply
125,252.21x = 172,844.47 × 71,536.12 - Step 4: Simplify right side
125,252.21x = 12,364,622,747.26 - Step 5: Solve for x
x = 12,364,622,747.26/125,252.21 - Step 6: Final answer
x = 98,717.80
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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.