Finding the Fourth Proportional to 74,316.45, 111,406.43 and 32,169.99
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Solution
The fourth proportional to 74,316.45, 111,406.43 and 32,169.99 is: 48,225.44
Step by Step Solution
- Step 1: Write the proportion equation
74,316.45 : 111,406.43 = 32,169.99 : x - Step 2: Convert to fraction form
74,316.45/111,406.43 = 32,169.99/x - Step 3: Cross multiply
74,316.45x = 111,406.43 × 32,169.99 - Step 4: Simplify right side
74,316.45x = 3,583,943,578.19 - Step 5: Solve for x
x = 3,583,943,578.19/74,316.45 - Step 6: Final answer
x = 48,225.44
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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.