Finding the Fourth Proportional to 113,840.23, 157,108.92 and 62,858.02
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Solution
The fourth proportional to 113,840.23, 157,108.92 and 62,858.02 is: 86,749.26
Step by Step Solution
- Step 1: Write the proportion equation
113,840.23 : 157,108.92 = 62,858.02 : x - Step 2: Convert to fraction form
113,840.23/157,108.92 = 62,858.02/x - Step 3: Cross multiply
113,840.23x = 157,108.92 × 62,858.02 - Step 4: Simplify right side
113,840.23x = 9,875,555,635.54 - Step 5: Solve for x
x = 9,875,555,635.54/113,840.23 - Step 6: Final answer
x = 86,749.26
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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.