Finding the Fourth Proportional to 75,747.96, 104,532.72 and 43,474.08
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Solution
The fourth proportional to 75,747.96, 104,532.72 and 43,474.08 is: 59,994.54
Step by Step Solution
- Step 1: Write the proportion equation
75,747.96 : 104,532.72 = 43,474.08 : x - Step 2: Convert to fraction form
75,747.96/104,532.72 = 43,474.08/x - Step 3: Cross multiply
75,747.96x = 104,532.72 × 43,474.08 - Step 4: Simplify right side
75,747.96x = 4,544,463,831.90 - Step 5: Solve for x
x = 4,544,463,831.90/75,747.96 - Step 6: Final answer
x = 59,994.54
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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.