Finding the Fourth Proportional to 68,394.97, 102,705.92 and 42,265.79
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Solution
The fourth proportional to 68,394.97, 102,705.92 and 42,265.79 is: 63,468.80
Step by Step Solution
- Step 1: Write the proportion equation
68,394.97 : 102,705.92 = 42,265.79 : x - Step 2: Convert to fraction form
68,394.97/102,705.92 = 42,265.79/x - Step 3: Cross multiply
68,394.97x = 102,705.92 × 42,265.79 - Step 4: Simplify right side
68,394.97x = 4,340,946,846.48 - Step 5: Solve for x
x = 4,340,946,846.48/68,394.97 - Step 6: Final answer
x = 63,468.80
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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.