Finding the Fourth Proportional to 85,365.70, 117,804.67 and 47,125.26
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Solution
The fourth proportional to 85,365.70, 117,804.67 and 47,125.26 is: 65,032.86
Step by Step Solution
- Step 1: Write the proportion equation
85,365.70 : 117,804.67 = 47,125.26 : x - Step 2: Convert to fraction form
85,365.70/117,804.67 = 47,125.26/x - Step 3: Cross multiply
85,365.70x = 117,804.67 × 47,125.26 - Step 4: Simplify right side
85,365.70x = 5,551,575,585.15 - Step 5: Solve for x
x = 5,551,575,585.15/85,365.70 - Step 6: Final answer
x = 65,032.86
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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.