Finding the Fourth Proportional to 76,758.24, 115,130.16 and 24,163.68
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Solution
The fourth proportional to 76,758.24, 115,130.16 and 24,163.68 is: 36,243.25
Step by Step Solution
- Step 1: Write the proportion equation
76,758.24 : 115,130.16 = 24,163.68 : x - Step 2: Convert to fraction form
76,758.24/115,130.16 = 24,163.68/x - Step 3: Cross multiply
76,758.24x = 115,130.16 × 24,163.68 - Step 4: Simplify right side
76,758.24x = 2,781,968,344.59 - Step 5: Solve for x
x = 2,781,968,344.59/76,758.24 - Step 6: Final answer
x = 36,243.25
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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.