Finding the Fourth Proportional to 125,031.68, 172,548.48 and 71,325.44
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Solution
The fourth proportional to 125,031.68, 172,548.48 and 71,325.44 is: 98,431.82
Step by Step Solution
- Step 1: Write the proportion equation
125,031.68 : 172,548.48 = 71,325.44 : x - Step 2: Convert to fraction form
125,031.68/172,548.48 = 71,325.44/x - Step 3: Cross multiply
125,031.68x = 172,548.48 × 71,325.44 - Step 4: Simplify right side
125,031.68x = 12,307,096,257.33 - Step 5: Solve for x
x = 12,307,096,257.33/125,031.68 - Step 6: Final answer
x = 98,431.82
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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.