Finding the Fourth Proportional to 74,322.21, 102,557.85 and 44,102.31
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Solution
The fourth proportional to 74,322.21, 102,557.85 and 44,102.31 is: 60,857.15
Step by Step Solution
- Step 1: Write the proportion equation
74,322.21 : 102,557.85 = 44,102.31 : x - Step 2: Convert to fraction form
74,322.21/102,557.85 = 44,102.31/x - Step 3: Cross multiply
74,322.21x = 102,557.85 × 44,102.31 - Step 4: Simplify right side
74,322.21x = 4,523,038,093.63 - Step 5: Solve for x
x = 4,523,038,093.63/74,322.21 - Step 6: Final answer
x = 60,857.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.