Finding the Fourth Proportional to 74,438.64, 111,595.19 and 32,286.99
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Solution
The fourth proportional to 74,438.64, 111,595.19 and 32,286.99 is: 48,403.26
Step by Step Solution
- Step 1: Write the proportion equation
74,438.64 : 111,595.19 = 32,286.99 : x - Step 2: Convert to fraction form
74,438.64/111,595.19 = 32,286.99/x - Step 3: Cross multiply
74,438.64x = 111,595.19 × 32,286.99 - Step 4: Simplify right side
74,438.64x = 3,603,072,783.58 - Step 5: Solve for x
x = 3,603,072,783.58/74,438.64 - Step 6: Final answer
x = 48,403.26
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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.