Finding the Fourth Proportional to 71,090.70, 106,701.66 and 36,054.96
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Solution
The fourth proportional to 71,090.70, 106,701.66 and 36,054.96 is: 54,115.72
Step by Step Solution
- Step 1: Write the proportion equation
71,090.70 : 106,701.66 = 36,054.96 : x - Step 2: Convert to fraction form
71,090.70/106,701.66 = 36,054.96/x - Step 3: Cross multiply
71,090.70x = 106,701.66 × 36,054.96 - Step 4: Simplify right side
71,090.70x = 3,847,124,083.23 - Step 5: Solve for x
x = 3,847,124,083.23/71,090.70 - Step 6: Final answer
x = 54,115.72
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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.