Finding the Fourth Proportional to 76,070.21, 114,107.91 and 26,149.87
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Solution
The fourth proportional to 76,070.21, 114,107.91 and 26,149.87 is: 39,225.70
Step by Step Solution
- Step 1: Write the proportion equation
76,070.21 : 114,107.91 = 26,149.87 : x - Step 2: Convert to fraction form
76,070.21/114,107.91 = 26,149.87/x - Step 3: Cross multiply
76,070.21x = 114,107.91 × 26,149.87 - Step 4: Simplify right side
76,070.21x = 2,983,907,057.04 - Step 5: Solve for x
x = 2,983,907,057.04/76,070.21 - Step 6: Final answer
x = 39,225.70
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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.