Finding the Fourth Proportional to 84,050.14, 115,989.69 and 48,239.23
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Solution
The fourth proportional to 84,050.14, 115,989.69 and 48,239.23 is: 66,570.42
Step by Step Solution
- Step 1: Write the proportion equation
84,050.14 : 115,989.69 = 48,239.23 : x - Step 2: Convert to fraction form
84,050.14/115,989.69 = 48,239.23/x - Step 3: Cross multiply
84,050.14x = 115,989.69 × 48,239.23 - Step 4: Simplify right side
84,050.14x = 5,595,253,333.54 - Step 5: Solve for x
x = 5,595,253,333.54/84,050.14 - Step 6: Final answer
x = 66,570.42
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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.