Finding the Fourth Proportional to 77,708.36, 116,537.84 and 33,323.18
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Solution
The fourth proportional to 77,708.36, 116,537.84 and 33,323.18 is: 49,974.18
Step by Step Solution
- Step 1: Write the proportion equation
77,708.36 : 116,537.84 = 33,323.18 : x - Step 2: Convert to fraction form
77,708.36/116,537.84 = 33,323.18/x - Step 3: Cross multiply
77,708.36x = 116,537.84 × 33,323.18 - Step 4: Simplify right side
77,708.36x = 3,883,411,419.13 - Step 5: Solve for x
x = 3,883,411,419.13/77,708.36 - Step 6: Final answer
x = 49,974.18
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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.