Finding the Fourth Proportional to 113,062.56, 169,593.84 and 42,941.70
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Solution
The fourth proportional to 113,062.56, 169,593.84 and 42,941.70 is: 64,412.55
Step by Step Solution
- Step 1: Write the proportion equation
113,062.56 : 169,593.84 = 42,941.70 : x - Step 2: Convert to fraction form
113,062.56/169,593.84 = 42,941.70/x - Step 3: Cross multiply
113,062.56x = 169,593.84 × 42,941.70 - Step 4: Simplify right side
113,062.56x = 7,282,647,799.13 - Step 5: Solve for x
x = 7,282,647,799.13/113,062.56 - Step 6: Final answer
x = 64,412.55
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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.