Finding the Fourth Proportional to 84,365.28, 116,415.36 and 52,537.68
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Solution
The fourth proportional to 84,365.28, 116,415.36 and 52,537.68 is: 72,496.56
Step by Step Solution
- Step 1: Write the proportion equation
84,365.28 : 116,415.36 = 52,537.68 : x - Step 2: Convert to fraction form
84,365.28/116,415.36 = 52,537.68/x - Step 3: Cross multiply
84,365.28x = 116,415.36 × 52,537.68 - Step 4: Simplify right side
84,365.28x = 6,116,192,930.76 - Step 5: Solve for x
x = 6,116,192,930.76/84,365.28 - Step 6: Final answer
x = 72,496.56
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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.