Finding the Fourth Proportional to 84,858.24, 117,007.75 and 54,190.02
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Solution
The fourth proportional to 84,858.24, 117,007.75 and 54,190.02 is: 74,720.53
Step by Step Solution
- Step 1: Write the proportion equation
84,858.24 : 117,007.75 = 54,190.02 : x - Step 2: Convert to fraction form
84,858.24/117,007.75 = 54,190.02/x - Step 3: Cross multiply
84,858.24x = 117,007.75 × 54,190.02 - Step 4: Simplify right side
84,858.24x = 6,340,652,312.66 - Step 5: Solve for x
x = 6,340,652,312.66/84,858.24 - Step 6: Final answer
x = 74,720.53
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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.