Finding the Fourth Proportional to 74,024.21, 110,986.98 and 40,759.94
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Solution
The fourth proportional to 74,024.21, 110,986.98 and 40,759.94 is: 61,112.74
Step by Step Solution
- Step 1: Write the proportion equation
74,024.21 : 110,986.98 = 40,759.94 : x - Step 2: Convert to fraction form
74,024.21/110,986.98 = 40,759.94/x - Step 3: Cross multiply
74,024.21x = 110,986.98 × 40,759.94 - Step 4: Simplify right side
74,024.21x = 4,523,822,090.65 - Step 5: Solve for x
x = 4,523,822,090.65/74,024.21 - Step 6: Final answer
x = 61,112.74
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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.