Finding the Fourth Proportional to 71,353.80, 106,998.30 and 26,965.80
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Solution
The fourth proportional to 71,353.80, 106,998.30 and 26,965.80 is: 40,436.46
Step by Step Solution
- Step 1: Write the proportion equation
71,353.80 : 106,998.30 = 26,965.80 : x - Step 2: Convert to fraction form
71,353.80/106,998.30 = 26,965.80/x - Step 3: Cross multiply
71,353.80x = 106,998.30 × 26,965.80 - Step 4: Simplify right side
71,353.80x = 2,885,294,758.14 - Step 5: Solve for x
x = 2,885,294,758.14/71,353.80 - Step 6: Final answer
x = 40,436.46
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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.