Finding the Fourth Proportional to 84,032.36, 115,962.34 and 45,791.08
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Solution
The fourth proportional to 84,032.36, 115,962.34 and 45,791.08 is: 63,190.43
Step by Step Solution
- Step 1: Write the proportion equation
84,032.36 : 115,962.34 = 45,791.08 : x - Step 2: Convert to fraction form
84,032.36/115,962.34 = 45,791.08/x - Step 3: Cross multiply
84,032.36x = 115,962.34 × 45,791.08 - Step 4: Simplify right side
84,032.36x = 5,310,040,787.93 - Step 5: Solve for x
x = 5,310,040,787.93/84,032.36 - Step 6: Final answer
x = 63,190.43
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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.