Finding the Fourth Proportional to 68,862.07, 103,293.12 and 22,147.75
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Solution
The fourth proportional to 68,862.07, 103,293.12 and 22,147.75 is: 33,221.62
Step by Step Solution
- Step 1: Write the proportion equation
68,862.07 : 103,293.12 = 22,147.75 : x - Step 2: Convert to fraction form
68,862.07/103,293.12 = 22,147.75/x - Step 3: Cross multiply
68,862.07x = 103,293.12 × 22,147.75 - Step 4: Simplify right side
68,862.07x = 2,287,709,682.01 - Step 5: Solve for x
x = 2,287,709,682.01/68,862.07 - Step 6: Final answer
x = 33,221.62
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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.