Finding the Fourth Proportional to 125,034.68, 172,552.62 and 71,328.44
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Solution
The fourth proportional to 125,034.68, 172,552.62 and 71,328.44 is: 98,435.96
Step by Step Solution
- Step 1: Write the proportion equation
125,034.68 : 172,552.62 = 71,328.44 : x - Step 2: Convert to fraction form
125,034.68/172,552.62 = 71,328.44/x - Step 3: Cross multiply
125,034.68x = 172,552.62 × 71,328.44 - Step 4: Simplify right side
125,034.68x = 12,307,909,202.51 - Step 5: Solve for x
x = 12,307,909,202.51/125,034.68 - Step 6: Final answer
x = 98,435.96
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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.