Finding the Fourth Proportional to 113,754.24, 157,008.96 and 69,079.68
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Solution
The fourth proportional to 113,754.24, 157,008.96 and 69,079.68 is: 95,347.03
Step by Step Solution
- Step 1: Write the proportion equation
113,754.24 : 157,008.96 = 69,079.68 : x - Step 2: Convert to fraction form
113,754.24/157,008.96 = 69,079.68/x - Step 3: Cross multiply
113,754.24x = 157,008.96 × 69,079.68 - Step 4: Simplify right side
113,754.24x = 10,846,128,713.93 - Step 5: Solve for x
x = 10,846,128,713.93/113,754.24 - Step 6: Final answer
x = 95,347.03
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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.