Finding the Fourth Proportional to 76,658.70, 115,007.19 and 26,739.53
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Solution
The fourth proportional to 76,658.70, 115,007.19 and 26,739.53 is: 40,115.96
Step by Step Solution
- Step 1: Write the proportion equation
76,658.70 : 115,007.19 = 26,739.53 : x - Step 2: Convert to fraction form
76,658.70/115,007.19 = 26,739.53/x - Step 3: Cross multiply
76,658.70x = 115,007.19 × 26,739.53 - Step 4: Simplify right side
76,658.70x = 3,075,237,632.18 - Step 5: Solve for x
x = 3,075,237,632.18/76,658.70 - Step 6: Final answer
x = 40,115.96
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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.