Finding the Fourth Proportional to 76,525.19, 114,209.11 and 74,532.29
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Solution
The fourth proportional to 76,525.19, 114,209.11 and 74,532.29 is: 111,234.82
Step by Step Solution
- Step 1: Write the proportion equation
76,525.19 : 114,209.11 = 74,532.29 : x - Step 2: Convert to fraction form
76,525.19/114,209.11 = 74,532.29/x - Step 3: Cross multiply
76,525.19x = 114,209.11 × 74,532.29 - Step 4: Simplify right side
76,525.19x = 8,512,265,610.04 - Step 5: Solve for x
x = 8,512,265,610.04/76,525.19 - Step 6: Final answer
x = 111,234.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.