Finding the Fourth Proportional to 74,652.63, 103,020.62 and 41,118.63
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Solution
The fourth proportional to 74,652.63, 103,020.62 and 41,118.63 is: 56,743.70
Step by Step Solution
- Step 1: Write the proportion equation
74,652.63 : 103,020.62 = 41,118.63 : x - Step 2: Convert to fraction form
74,652.63/103,020.62 = 41,118.63/x - Step 3: Cross multiply
74,652.63x = 103,020.62 × 41,118.63 - Step 4: Simplify right side
74,652.63x = 4,236,066,756.15 - Step 5: Solve for x
x = 4,236,066,756.15/74,652.63 - Step 6: Final answer
x = 56,743.70
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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.