Finding the Fourth Proportional to 76,880.21, 115,319.62 and 24,289.69
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Solution
The fourth proportional to 76,880.21, 115,319.62 and 24,289.69 is: 36,434.32
Step by Step Solution
- Step 1: Write the proportion equation
76,880.21 : 115,319.62 = 24,289.69 : x - Step 2: Convert to fraction form
76,880.21/115,319.62 = 24,289.69/x - Step 3: Cross multiply
76,880.21x = 115,319.62 × 24,289.69 - Step 4: Simplify right side
76,880.21x = 2,801,077,642.38 - Step 5: Solve for x
x = 2,801,077,642.38/76,880.21 - Step 6: Final answer
x = 36,434.32
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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.