Finding the Fourth Proportional to 74,444.48, 102,739.68 and 40,917.44
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Solution
The fourth proportional to 74,444.48, 102,739.68 and 40,917.44 is: 56,469.53
Step by Step Solution
- Step 1: Write the proportion equation
74,444.48 : 102,739.68 = 40,917.44 : x - Step 2: Convert to fraction form
74,444.48/102,739.68 = 40,917.44/x - Step 3: Cross multiply
74,444.48x = 102,739.68 × 40,917.44 - Step 4: Simplify right side
74,444.48x = 4,203,844,692.02 - Step 5: Solve for x
x = 4,203,844,692.02/74,444.48 - Step 6: Final answer
x = 56,469.53
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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.