Finding the Fourth Proportional to 68,968.97, 103,451.41 and 19,052.07
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Solution
The fourth proportional to 68,968.97, 103,451.41 and 19,052.07 is: 28,577.54
Step by Step Solution
- Step 1: Write the proportion equation
68,968.97 : 103,451.41 = 19,052.07 : x - Step 2: Convert to fraction form
68,968.97/103,451.41 = 19,052.07/x - Step 3: Cross multiply
68,968.97x = 103,451.41 × 19,052.07 - Step 4: Simplify right side
68,968.97x = 1,970,963,504.92 - Step 5: Solve for x
x = 1,970,963,504.92/68,968.97 - Step 6: Final answer
x = 28,577.54
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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.