Finding the Fourth Proportional to 71,123.51, 106,701.16 and 26,750.65
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Solution
The fourth proportional to 71,123.51, 106,701.16 and 26,750.65 is: 40,131.95
Step by Step Solution
- Step 1: Write the proportion equation
71,123.51 : 106,701.16 = 26,750.65 : x - Step 2: Convert to fraction form
71,123.51/106,701.16 = 26,750.65/x - Step 3: Cross multiply
71,123.51x = 106,701.16 × 26,750.65 - Step 4: Simplify right side
71,123.51x = 2,854,325,052.12 - Step 5: Solve for x
x = 2,854,325,052.12/71,123.51 - Step 6: Final answer
x = 40,131.95
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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.