Finding the Fourth Proportional to 71,319.05, 106,918.37 and 44,965.70
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Solution
The fourth proportional to 71,319.05, 106,918.37 and 44,965.70 is: 67,410.59
Step by Step Solution
- Step 1: Write the proportion equation
71,319.05 : 106,918.37 = 44,965.70 : x - Step 2: Convert to fraction form
71,319.05/106,918.37 = 44,965.70/x - Step 3: Cross multiply
71,319.05x = 106,918.37 × 44,965.70 - Step 4: Simplify right side
71,319.05x = 4,807,659,125.08 - Step 5: Solve for x
x = 4,807,659,125.08/71,319.05 - Step 6: Final answer
x = 67,410.59
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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.