Finding the Fourth Proportional to 103,442.26, 142,750.44 and 58,730.26
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Solution
The fourth proportional to 103,442.26, 142,750.44 and 58,730.26 is: 81,047.83
Step by Step Solution
- Step 1: Write the proportion equation
103,442.26 : 142,750.44 = 58,730.26 : x - Step 2: Convert to fraction form
103,442.26/142,750.44 = 58,730.26/x - Step 3: Cross multiply
103,442.26x = 142,750.44 × 58,730.26 - Step 4: Simplify right side
103,442.26x = 8,383,770,456.31 - Step 5: Solve for x
x = 8,383,770,456.31/103,442.26 - Step 6: Final answer
x = 81,047.83
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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.