Finding the Fourth Proportional to 77,260.26, 115,907.76 and 41,720.79
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Solution
The fourth proportional to 77,260.26, 115,907.76 and 41,720.79 is: 62,590.56
Step by Step Solution
- Step 1: Write the proportion equation
77,260.26 : 115,907.76 = 41,720.79 : x - Step 2: Convert to fraction form
77,260.26/115,907.76 = 41,720.79/x - Step 3: Cross multiply
77,260.26x = 115,907.76 × 41,720.79 - Step 4: Simplify right side
77,260.26x = 4,835,763,314.33 - Step 5: Solve for x
x = 4,835,763,314.33/77,260.26 - Step 6: Final answer
x = 62,590.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.