Finding the Fourth Proportional to 85,972.26, 118,646.98 and 48,246.50
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Solution
The fourth proportional to 85,972.26, 118,646.98 and 48,246.50 is: 66,583.12
Step by Step Solution
- Step 1: Write the proportion equation
85,972.26 : 118,646.98 = 48,246.50 : x - Step 2: Convert to fraction form
85,972.26/118,646.98 = 48,246.50/x - Step 3: Cross multiply
85,972.26x = 118,646.98 × 48,246.50 - Step 4: Simplify right side
85,972.26x = 5,724,301,520.57 - Step 5: Solve for x
x = 5,724,301,520.57/85,972.26 - Step 6: Final answer
x = 66,583.12
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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.