Finding the Fourth Proportional to 77,283.09, 115,934.36 and 27,351.45
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Solution
The fourth proportional to 77,283.09, 115,934.36 and 27,351.45 is: 41,030.62
Step by Step Solution
- Step 1: Write the proportion equation
77,283.09 : 115,934.36 = 27,351.45 : x - Step 2: Convert to fraction form
77,283.09/115,934.36 = 27,351.45/x - Step 3: Cross multiply
77,283.09x = 115,934.36 × 27,351.45 - Step 4: Simplify right side
77,283.09x = 3,170,972,714.06 - Step 5: Solve for x
x = 3,170,972,714.06/77,283.09 - Step 6: Final answer
x = 41,030.62
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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.