Finding the Fourth Proportional to 77,306.21, 115,975.87 and 23,997.02
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Solution
The fourth proportional to 77,306.21, 115,975.87 and 23,997.02 is: 36,000.67
Step by Step Solution
- Step 1: Write the proportion equation
77,306.21 : 115,975.87 = 23,997.02 : x - Step 2: Convert to fraction form
77,306.21/115,975.87 = 23,997.02/x - Step 3: Cross multiply
77,306.21x = 115,975.87 × 23,997.02 - Step 4: Simplify right side
77,306.21x = 2,783,075,271.91 - Step 5: Solve for x
x = 2,783,075,271.91/77,306.21 - Step 6: Final answer
x = 36,000.67
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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.