Finding the Fourth Proportional to 88,679.27, 122,379.99 and 48,395.62
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Solution
The fourth proportional to 88,679.27, 122,379.99 and 48,395.62 is: 66,787.37
Step by Step Solution
- Step 1: Write the proportion equation
88,679.27 : 122,379.99 = 48,395.62 : x - Step 2: Convert to fraction form
88,679.27/122,379.99 = 48,395.62/x - Step 3: Cross multiply
88,679.27x = 122,379.99 × 48,395.62 - Step 4: Simplify right side
88,679.27x = 5,922,655,491.64 - Step 5: Solve for x
x = 5,922,655,491.64/88,679.27 - Step 6: Final answer
x = 66,787.37
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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.