Finding the Fourth Proportional to 88,679.25, 122,379.95 and 48,395.60
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Solution
The fourth proportional to 88,679.25, 122,379.95 and 48,395.60 is: 66,787.33
Step by Step Solution
- Step 1: Write the proportion equation
88,679.25 : 122,379.95 = 48,395.60 : x - Step 2: Convert to fraction form
88,679.25/122,379.95 = 48,395.60/x - Step 3: Cross multiply
88,679.25x = 122,379.95 × 48,395.60 - Step 4: Simplify right side
88,679.25x = 5,922,650,617.31 - Step 5: Solve for x
x = 5,922,650,617.31/88,679.25 - Step 6: Final answer
x = 66,787.33
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1.5x scale
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.