Finding the Fourth Proportional to 74,145.68, 111,235.80 and 24,228.08
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Solution
The fourth proportional to 74,145.68, 111,235.80 and 24,228.08 is: 36,347.77
Step by Step Solution
- Step 1: Write the proportion equation
74,145.68 : 111,235.80 = 24,228.08 : x - Step 2: Convert to fraction form
74,145.68/111,235.80 = 24,228.08/x - Step 3: Cross multiply
74,145.68x = 111,235.80 × 24,228.08 - Step 4: Simplify right side
74,145.68x = 2,695,029,861.26 - Step 5: Solve for x
x = 2,695,029,861.26/74,145.68 - Step 6: Final answer
x = 36,347.77
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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.