Finding the Fourth Proportional to 68,988.99, 103,466.97 and 19,067.97
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Solution
The fourth proportional to 68,988.99, 103,466.97 and 19,067.97 is: 28,597.39
Step by Step Solution
- Step 1: Write the proportion equation
68,988.99 : 103,466.97 = 19,067.97 : x - Step 2: Convert to fraction form
68,988.99/103,466.97 = 19,067.97/x - Step 3: Cross multiply
68,988.99x = 103,466.97 × 19,067.97 - Step 4: Simplify right side
68,988.99x = 1,972,905,079.95 - Step 5: Solve for x
x = 1,972,905,079.95/68,988.99 - Step 6: Final answer
x = 28,597.39
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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.