Finding the Fourth Proportional to 99,814.08, 137,743.52 and 55,102.08
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Solution
The fourth proportional to 99,814.08, 137,743.52 and 55,102.08 is: 76,040.92
Step by Step Solution
- Step 1: Write the proportion equation
99,814.08 : 137,743.52 = 55,102.08 : x - Step 2: Convert to fraction form
99,814.08/137,743.52 = 55,102.08/x - Step 3: Cross multiply
99,814.08x = 137,743.52 × 55,102.08 - Step 4: Simplify right side
99,814.08x = 7,589,954,458.52 - Step 5: Solve for x
x = 7,589,954,458.52/99,814.08 - Step 6: Final answer
x = 76,040.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.