Finding the Fourth Proportional to 74,682.45, 103,056.96 and 44,469.99
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Solution
The fourth proportional to 74,682.45, 103,056.96 and 44,469.99 is: 61,365.72
Step by Step Solution
- Step 1: Write the proportion equation
74,682.45 : 103,056.96 = 44,469.99 : x - Step 2: Convert to fraction form
74,682.45/103,056.96 = 44,469.99/x - Step 3: Cross multiply
74,682.45x = 103,056.96 × 44,469.99 - Step 4: Simplify right side
74,682.45x = 4,582,941,980.63 - Step 5: Solve for x
x = 4,582,941,980.63/74,682.45 - Step 6: Final answer
x = 61,365.72
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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.