Finding the Fourth Proportional to 84,053.14, 115,993.83 and 48,242.23
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Solution
The fourth proportional to 84,053.14, 115,993.83 and 48,242.23 is: 66,574.56
Step by Step Solution
- Step 1: Write the proportion equation
84,053.14 : 115,993.83 = 48,242.23 : x - Step 2: Convert to fraction form
84,053.14/115,993.83 = 48,242.23/x - Step 3: Cross multiply
84,053.14x = 115,993.83 × 48,242.23 - Step 4: Simplify right side
84,053.14x = 5,595,801,025.44 - Step 5: Solve for x
x = 5,595,801,025.44/84,053.14 - Step 6: Final answer
x = 66,574.56
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1.5x scale
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.