Finding the Fourth Proportional to 74,478.42, 111,682.50 and 27,060.07
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Solution
The fourth proportional to 74,478.42, 111,682.50 and 27,060.07 is: 40,577.34
Step by Step Solution
- Step 1: Write the proportion equation
74,478.42 : 111,682.50 = 27,060.07 : x - Step 2: Convert to fraction form
74,478.42/111,682.50 = 27,060.07/x - Step 3: Cross multiply
74,478.42x = 111,682.50 × 27,060.07 - Step 4: Simplify right side
74,478.42x = 3,022,136,267.78 - Step 5: Solve for x
x = 3,022,136,267.78/74,478.42 - Step 6: Final answer
x = 40,577.34
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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.