Finding the Fourth Proportional to 81,052.74, 121,579.11 and 34,306.02
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Solution
The fourth proportional to 81,052.74, 121,579.11 and 34,306.02 is: 51,459.03
Step by Step Solution
- Step 1: Write the proportion equation
81,052.74 : 121,579.11 = 34,306.02 : x - Step 2: Convert to fraction form
81,052.74/121,579.11 = 34,306.02/x - Step 3: Cross multiply
81,052.74x = 121,579.11 × 34,306.02 - Step 4: Simplify right side
81,052.74x = 4,170,895,379.24 - Step 5: Solve for x
x = 4,170,895,379.24/81,052.74 - Step 6: Final answer
x = 51,459.03
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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.