Finding the Fourth Proportional to 85,973.26, 118,648.36 and 48,247.50
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Solution
The fourth proportional to 85,973.26, 118,648.36 and 48,247.50 is: 66,584.50
Step by Step Solution
- Step 1: Write the proportion equation
85,973.26 : 118,648.36 = 48,247.50 : x - Step 2: Convert to fraction form
85,973.26/118,648.36 = 48,247.50/x - Step 3: Cross multiply
85,973.26x = 118,648.36 × 48,247.50 - Step 4: Simplify right side
85,973.26x = 5,724,486,749.10 - Step 5: Solve for x
x = 5,724,486,749.10/85,973.26 - Step 6: Final answer
x = 66,584.50
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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.